Home / 23,312.55-32,145.86-15,745.75

Finding the Fourth Proportional to 23,312.55, 32,145.86 and 15,745.75

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Solution

The fourth proportional to 23,312.55, 32,145.86 and 15,745.75 is: 21,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,312.55 : 32,145.86 = 15,745.75 : x
  2. Step 2: Convert to fraction form
    23,312.55/32,145.86 = 15,745.75/x
  3. Step 3: Cross multiply
    23,312.55x = 32,145.86 × 15,745.75
  4. Step 4: Simplify right side
    23,312.55x = 506,160,675.10
  5. Step 5: Solve for x
    x = 506,160,675.10/23,312.55
  6. Step 6: Final answer
    x = 21,711.94

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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.