Home / 15,581.18-23,373.83-5,720.58

Finding the Fourth Proportional to 15,581.18, 23,373.83 and 5,720.58

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Solution

The fourth proportional to 15,581.18, 23,373.83 and 5,720.58 is: 8,581.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.18 : 23,373.83 = 5,720.58 : x
  2. Step 2: Convert to fraction form
    15,581.18/23,373.83 = 5,720.58/x
  3. Step 3: Cross multiply
    15,581.18x = 23,373.83 × 5,720.58
  4. Step 4: Simplify right side
    15,581.18x = 133,711,878.72
  5. Step 5: Solve for x
    x = 133,711,878.72/15,581.18
  6. Step 6: Final answer
    x = 8,581.63

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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.