Home / 17,678.66-24,397.18-9,721.49

Finding the Fourth Proportional to 17,678.66, 24,397.18 and 9,721.49

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Solution

The fourth proportional to 17,678.66, 24,397.18 and 9,721.49 is: 13,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.66 : 24,397.18 = 9,721.49 : x
  2. Step 2: Convert to fraction form
    17,678.66/24,397.18 = 9,721.49/x
  3. Step 3: Cross multiply
    17,678.66x = 24,397.18 × 9,721.49
  4. Step 4: Simplify right side
    17,678.66x = 237,176,831.80
  5. Step 5: Solve for x
    x = 237,176,831.80/17,678.66
  6. Step 6: Final answer
    x = 13,416.00

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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.