Home / 15,425.64-23,140.28-5,569.56

Finding the Fourth Proportional to 15,425.64, 23,140.28 and 5,569.56

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Solution

The fourth proportional to 15,425.64, 23,140.28 and 5,569.56 is: 8,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,425.64 : 23,140.28 = 5,569.56 : x
  2. Step 2: Convert to fraction form
    15,425.64/23,140.28 = 5,569.56/x
  3. Step 3: Cross multiply
    15,425.64x = 23,140.28 × 5,569.56
  4. Step 4: Simplify right side
    15,425.64x = 128,881,191.80
  5. Step 5: Solve for x
    x = 128,881,191.80/15,425.64
  6. Step 6: Final answer
    x = 8,355.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.