Home / 13,947.54-19,247.46-7,574.19

Finding the Fourth Proportional to 13,947.54, 19,247.46 and 7,574.19

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Solution

The fourth proportional to 13,947.54, 19,247.46 and 7,574.19 is: 10,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.54 : 19,247.46 = 7,574.19 : x
  2. Step 2: Convert to fraction form
    13,947.54/19,247.46 = 7,574.19/x
  3. Step 3: Cross multiply
    13,947.54x = 19,247.46 × 7,574.19
  4. Step 4: Simplify right side
    13,947.54x = 145,783,919.06
  5. Step 5: Solve for x
    x = 145,783,919.06/13,947.54
  6. Step 6: Final answer
    x = 10,452.30

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Half scale
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Double scale
Find fourth proportional to 13,948.54, 19,248.84 and 7,575.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.