Home / 25,913.13-35,760.33-15,308.07

Finding the Fourth Proportional to 25,913.13, 35,760.33 and 15,308.07

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Solution

The fourth proportional to 25,913.13, 35,760.33 and 15,308.07 is: 21,125.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,913.13 : 35,760.33 = 15,308.07 : x
  2. Step 2: Convert to fraction form
    25,913.13/35,760.33 = 15,308.07/x
  3. Step 3: Cross multiply
    25,913.13x = 35,760.33 × 15,308.07
  4. Step 4: Simplify right side
    25,913.13x = 547,421,634.86
  5. Step 5: Solve for x
    x = 547,421,634.86/25,913.13
  6. Step 6: Final answer
    x = 21,125.26

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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.