Home / 23,715.83-32,729.10-13,645.80

Finding the Fourth Proportional to 23,715.83, 32,729.10 and 13,645.80

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Solution

The fourth proportional to 23,715.83, 32,729.10 and 13,645.80 is: 18,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,715.83 : 32,729.10 = 13,645.80 : x
  2. Step 2: Convert to fraction form
    23,715.83/32,729.10 = 13,645.80/x
  3. Step 3: Cross multiply
    23,715.83x = 32,729.10 × 13,645.80
  4. Step 4: Simplify right side
    23,715.83x = 446,614,816.74
  5. Step 5: Solve for x
    x = 446,614,816.74/23,715.83
  6. Step 6: Final answer
    x = 18,831.93

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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.