Home / 14,831.80-22,215.30-11,518.90

Finding the Fourth Proportional to 14,831.80, 22,215.30 and 11,518.90

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Solution

The fourth proportional to 14,831.80, 22,215.30 and 11,518.90 is: 17,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.80 : 22,215.30 = 11,518.90 : x
  2. Step 2: Convert to fraction form
    14,831.80/22,215.30 = 11,518.90/x
  3. Step 3: Cross multiply
    14,831.80x = 22,215.30 × 11,518.90
  4. Step 4: Simplify right side
    14,831.80x = 255,895,819.17
  5. Step 5: Solve for x
    x = 255,895,819.17/14,831.80
  6. Step 6: Final answer
    x = 17,253.19

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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.