Home / 14,361.60-21,535.92-5,127.84

Finding the Fourth Proportional to 14,361.60, 21,535.92 and 5,127.84

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Solution

The fourth proportional to 14,361.60, 21,535.92 and 5,127.84 is: 7,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.60 : 21,535.92 = 5,127.84 : x
  2. Step 2: Convert to fraction form
    14,361.60/21,535.92 = 5,127.84/x
  3. Step 3: Cross multiply
    14,361.60x = 21,535.92 × 5,127.84
  4. Step 4: Simplify right side
    14,361.60x = 110,432,752.01
  5. Step 5: Solve for x
    x = 110,432,752.01/14,361.60
  6. Step 6: Final answer
    x = 7,689.45

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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.