Home / 15,585.70-23,381.59-5,725.05

Finding the Fourth Proportional to 15,585.70, 23,381.59 and 5,725.05

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Solution

The fourth proportional to 15,585.70, 23,381.59 and 5,725.05 is: 8,588.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,585.70 : 23,381.59 = 5,725.05 : x
  2. Step 2: Convert to fraction form
    15,585.70/23,381.59 = 5,725.05/x
  3. Step 3: Cross multiply
    15,585.70x = 23,381.59 × 5,725.05
  4. Step 4: Simplify right side
    15,585.70x = 133,860,654.92
  5. Step 5: Solve for x
    x = 133,860,654.92/15,585.70
  6. Step 6: Final answer
    x = 8,588.69

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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.