Home / 13,881.20-19,155.90-7,593.52

Finding the Fourth Proportional to 13,881.20, 19,155.90 and 7,593.52

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Solution

The fourth proportional to 13,881.20, 19,155.90 and 7,593.52 is: 10,478.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.20 : 19,155.90 = 7,593.52 : x
  2. Step 2: Convert to fraction form
    13,881.20/19,155.90 = 7,593.52/x
  3. Step 3: Cross multiply
    13,881.20x = 19,155.90 × 7,593.52
  4. Step 4: Simplify right side
    13,881.20x = 145,460,709.77
  5. Step 5: Solve for x
    x = 145,460,709.77/13,881.20
  6. Step 6: Final answer
    x = 10,478.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.