Home / 25,729.07-38,599.67-20,483.91

Finding the Fourth Proportional to 25,729.07, 38,599.67 and 20,483.91

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Solution

The fourth proportional to 25,729.07, 38,599.67 and 20,483.91 is: 30,730.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.07 : 38,599.67 = 20,483.91 : x
  2. Step 2: Convert to fraction form
    25,729.07/38,599.67 = 20,483.91/x
  3. Step 3: Cross multiply
    25,729.07x = 38,599.67 × 20,483.91
  4. Step 4: Simplify right side
    25,729.07x = 790,672,217.52
  5. Step 5: Solve for x
    x = 790,672,217.52/25,729.07
  6. Step 6: Final answer
    x = 30,730.70

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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.