Home / 15,585.40-23,388.32-5,724.76

Finding the Fourth Proportional to 15,585.40, 23,388.32 and 5,724.76

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Solution

The fourth proportional to 15,585.40, 23,388.32 and 5,724.76 is: 8,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585.40 : 23,388.32 = 5,724.76 : x
  2. Step 2: Convert to fraction form
    15,585.40/23,388.32 = 5,724.76/x
  3. Step 3: Cross multiply
    15,585.40x = 23,388.32 × 5,724.76
  4. Step 4: Simplify right side
    15,585.40x = 133,892,518.80
  5. Step 5: Solve for x
    x = 133,892,518.80/15,585.40
  6. Step 6: Final answer
    x = 8,590.89

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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.