Home / 17,655.32-24,355.14-10,938.80

Finding the Fourth Proportional to 17,655.32, 24,355.14 and 10,938.80

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Solution

The fourth proportional to 17,655.32, 24,355.14 and 10,938.80 is: 15,089.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655.32 : 24,355.14 = 10,938.80 : x
  2. Step 2: Convert to fraction form
    17,655.32/24,355.14 = 10,938.80/x
  3. Step 3: Cross multiply
    17,655.32x = 24,355.14 × 10,938.80
  4. Step 4: Simplify right side
    17,655.32x = 266,416,005.43
  5. Step 5: Solve for x
    x = 266,416,005.43/17,655.32
  6. Step 6: Final answer
    x = 15,089.84

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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.