Home / 25,985.08-38,979.68-7,265.24

Finding the Fourth Proportional to 25,985.08, 38,979.68 and 7,265.24

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Solution

The fourth proportional to 25,985.08, 38,979.68 and 7,265.24 is: 10,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,985.08 : 38,979.68 = 7,265.24 : x
  2. Step 2: Convert to fraction form
    25,985.08/38,979.68 = 7,265.24/x
  3. Step 3: Cross multiply
    25,985.08x = 38,979.68 × 7,265.24
  4. Step 4: Simplify right side
    25,985.08x = 283,196,499.10
  5. Step 5: Solve for x
    x = 283,196,499.10/25,985.08
  6. Step 6: Final answer
    x = 10,898.43

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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.