Home / 14,319.40-21,487.47-5,998.71

Finding the Fourth Proportional to 14,319.40, 21,487.47 and 5,998.71

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Solution

The fourth proportional to 14,319.40, 21,487.47 and 5,998.71 is: 9,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.40 : 21,487.47 = 5,998.71 : x
  2. Step 2: Convert to fraction form
    14,319.40/21,487.47 = 5,998.71/x
  3. Step 3: Cross multiply
    14,319.40x = 21,487.47 × 5,998.71
  4. Step 4: Simplify right side
    14,319.40x = 128,897,101.16
  5. Step 5: Solve for x
    x = 128,897,101.16/14,319.40
  6. Step 6: Final answer
    x = 9,001.57

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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.