Home / 17,831.24-24,550.80-15,705.40

Finding the Fourth Proportional to 17,831.24, 24,550.80 and 15,705.40

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Solution

The fourth proportional to 17,831.24, 24,550.80 and 15,705.40 is: 21,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,831.24 : 24,550.80 = 15,705.40 : x
  2. Step 2: Convert to fraction form
    17,831.24/24,550.80 = 15,705.40/x
  3. Step 3: Cross multiply
    17,831.24x = 24,550.80 × 15,705.40
  4. Step 4: Simplify right side
    17,831.24x = 385,580,134.32
  5. Step 5: Solve for x
    x = 385,580,134.32/17,831.24
  6. Step 6: Final answer
    x = 21,623.85

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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.