Home / 14,866.40-20,512.41-8,575.13

Finding the Fourth Proportional to 14,866.40, 20,512.41 and 8,575.13

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Solution

The fourth proportional to 14,866.40, 20,512.41 and 8,575.13 is: 11,831.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,866.40 : 20,512.41 = 8,575.13 : x
  2. Step 2: Convert to fraction form
    14,866.40/20,512.41 = 8,575.13/x
  3. Step 3: Cross multiply
    14,866.40x = 20,512.41 × 8,575.13
  4. Step 4: Simplify right side
    14,866.40x = 175,896,479.80
  5. Step 5: Solve for x
    x = 175,896,479.80/14,866.40
  6. Step 6: Final answer
    x = 11,831.82

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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.