Home / 14,312.50-21,472.60-5,988.12

Finding the Fourth Proportional to 14,312.50, 21,472.60 and 5,988.12

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Solution

The fourth proportional to 14,312.50, 21,472.60 and 5,988.12 is: 8,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.50 : 21,472.60 = 5,988.12 : x
  2. Step 2: Convert to fraction form
    14,312.50/21,472.60 = 5,988.12/x
  3. Step 3: Cross multiply
    14,312.50x = 21,472.60 × 5,988.12
  4. Step 4: Simplify right side
    14,312.50x = 128,580,505.51
  5. Step 5: Solve for x
    x = 128,580,505.51/14,312.50
  6. Step 6: Final answer
    x = 8,983.79

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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.