Home / 15,715.07-23,580.28-7,395.92

Finding the Fourth Proportional to 15,715.07, 23,580.28 and 7,395.92

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Solution

The fourth proportional to 15,715.07, 23,580.28 and 7,395.92 is: 11,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,715.07 : 23,580.28 = 7,395.92 : x
  2. Step 2: Convert to fraction form
    15,715.07/23,580.28 = 7,395.92/x
  3. Step 3: Cross multiply
    15,715.07x = 23,580.28 × 7,395.92
  4. Step 4: Simplify right side
    15,715.07x = 174,397,864.46
  5. Step 5: Solve for x
    x = 174,397,864.46/15,715.07
  6. Step 6: Final answer
    x = 11,097.49

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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.