Home / 25,649.10-35,381.54-15,036.69

Finding the Fourth Proportional to 25,649.10, 35,381.54 and 15,036.69

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Solution

The fourth proportional to 25,649.10, 35,381.54 and 15,036.69 is: 20,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,649.10 : 35,381.54 = 15,036.69 : x
  2. Step 2: Convert to fraction form
    25,649.10/35,381.54 = 15,036.69/x
  3. Step 3: Cross multiply
    25,649.10x = 35,381.54 × 15,036.69
  4. Step 4: Simplify right side
    25,649.10x = 532,021,173.52
  5. Step 5: Solve for x
    x = 532,021,173.52/25,649.10
  6. Step 6: Final answer
    x = 20,742.29

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Half scale
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Double scale
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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.