Home / 13,900.59-19,184.19-7,933.16

Finding the Fourth Proportional to 13,900.59, 19,184.19 and 7,933.16

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Solution

The fourth proportional to 13,900.59, 19,184.19 and 7,933.16 is: 10,948.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900.59 : 19,184.19 = 7,933.16 : x
  2. Step 2: Convert to fraction form
    13,900.59/19,184.19 = 7,933.16/x
  3. Step 3: Cross multiply
    13,900.59x = 19,184.19 × 7,933.16
  4. Step 4: Simplify right side
    13,900.59x = 152,191,113.15
  5. Step 5: Solve for x
    x = 152,191,113.15/13,900.59
  6. Step 6: Final answer
    x = 10,948.54

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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.