Home / 15,817.56-23,729.72-4,725.12

Finding the Fourth Proportional to 15,817.56, 23,729.72 and 4,725.12

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Solution

The fourth proportional to 15,817.56, 23,729.72 and 4,725.12 is: 7,088.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817.56 : 23,729.72 = 4,725.12 : x
  2. Step 2: Convert to fraction form
    15,817.56/23,729.72 = 4,725.12/x
  3. Step 3: Cross multiply
    15,817.56x = 23,729.72 × 4,725.12
  4. Step 4: Simplify right side
    15,817.56x = 112,125,774.57
  5. Step 5: Solve for x
    x = 112,125,774.57/15,817.56
  6. Step 6: Final answer
    x = 7,088.69

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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.