Home / 25,401.47-35,058.12-15,331.41

Finding the Fourth Proportional to 25,401.47, 35,058.12 and 15,331.41

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Solution

The fourth proportional to 25,401.47, 35,058.12 and 15,331.41 is: 21,159.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,401.47 : 35,058.12 = 15,331.41 : x
  2. Step 2: Convert to fraction form
    25,401.47/35,058.12 = 15,331.41/x
  3. Step 3: Cross multiply
    25,401.47x = 35,058.12 × 15,331.41
  4. Step 4: Simplify right side
    25,401.47x = 537,490,354.06
  5. Step 5: Solve for x
    x = 537,490,354.06/25,401.47
  6. Step 6: Final answer
    x = 21,159.82

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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.