Home / 18,157.06-25,050.36-11,443.24

Finding the Fourth Proportional to 18,157.06, 25,050.36 and 11,443.24

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Solution

The fourth proportional to 18,157.06, 25,050.36 and 11,443.24 is: 15,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.06 : 25,050.36 = 11,443.24 : x
  2. Step 2: Convert to fraction form
    18,157.06/25,050.36 = 11,443.24/x
  3. Step 3: Cross multiply
    18,157.06x = 25,050.36 × 11,443.24
  4. Step 4: Simplify right side
    18,157.06x = 286,657,281.57
  5. Step 5: Solve for x
    x = 286,657,281.57/18,157.06
  6. Step 6: Final answer
    x = 15,787.65

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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.