Home / 17,681.76-24,400.79-10,130.53

Finding the Fourth Proportional to 17,681.76, 24,400.79 and 10,130.53

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Solution

The fourth proportional to 17,681.76, 24,400.79 and 10,130.53 is: 13,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,681.76 : 24,400.79 = 10,130.53 : x
  2. Step 2: Convert to fraction form
    17,681.76/24,400.79 = 10,130.53/x
  3. Step 3: Cross multiply
    17,681.76x = 24,400.79 × 10,130.53
  4. Step 4: Simplify right side
    17,681.76x = 247,192,935.12
  5. Step 5: Solve for x
    x = 247,192,935.12/17,681.76
  6. Step 6: Final answer
    x = 13,980.11

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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.