Home / 25,675.83-35,432.88-15,065.64

Finding the Fourth Proportional to 25,675.83, 35,432.88 and 15,065.64

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Solution

The fourth proportional to 25,675.83, 35,432.88 and 15,065.64 is: 20,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675.83 : 35,432.88 = 15,065.64 : x
  2. Step 2: Convert to fraction form
    25,675.83/35,432.88 = 15,065.64/x
  3. Step 3: Cross multiply
    25,675.83x = 35,432.88 × 15,065.64
  4. Step 4: Simplify right side
    25,675.83x = 533,819,014.24
  5. Step 5: Solve for x
    x = 533,819,014.24/25,675.83
  6. Step 6: Final answer
    x = 20,790.72

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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.