Home / 14,981.40-22,453.20-7,587.90

Finding the Fourth Proportional to 14,981.40, 22,453.20 and 7,587.90

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Solution

The fourth proportional to 14,981.40, 22,453.20 and 7,587.90 is: 11,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.40 : 22,453.20 = 7,587.90 : x
  2. Step 2: Convert to fraction form
    14,981.40/22,453.20 = 7,587.90/x
  3. Step 3: Cross multiply
    14,981.40x = 22,453.20 × 7,587.90
  4. Step 4: Simplify right side
    14,981.40x = 170,372,636.28
  5. Step 5: Solve for x
    x = 170,372,636.28/14,981.40
  6. Step 6: Final answer
    x = 11,372.28

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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.