Home / 25,443.97-35,111.85-15,370.66

Finding the Fourth Proportional to 25,443.97, 35,111.85 and 15,370.66

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Solution

The fourth proportional to 25,443.97, 35,111.85 and 15,370.66 is: 21,211.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.97 : 35,111.85 = 15,370.66 : x
  2. Step 2: Convert to fraction form
    25,443.97/35,111.85 = 15,370.66/x
  3. Step 3: Cross multiply
    25,443.97x = 35,111.85 × 15,370.66
  4. Step 4: Simplify right side
    25,443.97x = 539,692,055.91
  5. Step 5: Solve for x
    x = 539,692,055.91/25,443.97
  6. Step 6: Final answer
    x = 21,211.00

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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.