Home / 55,642.60-83,463.88-13,522.46

Finding the Fourth Proportional to 55,642.60, 83,463.88 and 13,522.46

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Solution

The fourth proportional to 55,642.60, 83,463.88 and 13,522.46 is: 20,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,642.60 : 83,463.88 = 13,522.46 : x
  2. Step 2: Convert to fraction form
    55,642.60/83,463.88 = 13,522.46/x
  3. Step 3: Cross multiply
    55,642.60x = 83,463.88 × 13,522.46
  4. Step 4: Simplify right side
    55,642.60x = 1,128,636,978.74
  5. Step 5: Solve for x
    x = 1,128,636,978.74/55,642.60
  6. Step 6: Final answer
    x = 20,283.69

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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.