Home / 15,740.71-23,637.38-9,831.35

Finding the Fourth Proportional to 15,740.71, 23,637.38 and 9,831.35

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Solution

The fourth proportional to 15,740.71, 23,637.38 and 9,831.35 is: 14,763.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.71 : 23,637.38 = 9,831.35 : x
  2. Step 2: Convert to fraction form
    15,740.71/23,637.38 = 9,831.35/x
  3. Step 3: Cross multiply
    15,740.71x = 23,637.38 × 9,831.35
  4. Step 4: Simplify right side
    15,740.71x = 232,387,355.86
  5. Step 5: Solve for x
    x = 232,387,355.86/15,740.71
  6. Step 6: Final answer
    x = 14,763.46

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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.