Home / 25,371.48-35,026.71-15,302.47

Finding the Fourth Proportional to 25,371.48, 35,026.71 and 15,302.47

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Solution

The fourth proportional to 25,371.48, 35,026.71 and 15,302.47 is: 21,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,371.48 : 35,026.71 = 15,302.47 : x
  2. Step 2: Convert to fraction form
    25,371.48/35,026.71 = 15,302.47/x
  3. Step 3: Cross multiply
    25,371.48x = 35,026.71 × 15,302.47
  4. Step 4: Simplify right side
    25,371.48x = 535,995,178.97
  5. Step 5: Solve for x
    x = 535,995,178.97/25,371.48
  6. Step 6: Final answer
    x = 21,125.89

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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.