Home / 25,110.95-34,652.81-13,780.53

Finding the Fourth Proportional to 25,110.95, 34,652.81 and 13,780.53

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Solution

The fourth proportional to 25,110.95, 34,652.81 and 13,780.53 is: 19,016.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,110.95 : 34,652.81 = 13,780.53 : x
  2. Step 2: Convert to fraction form
    25,110.95/34,652.81 = 13,780.53/x
  3. Step 3: Cross multiply
    25,110.95x = 34,652.81 × 13,780.53
  4. Step 4: Simplify right side
    25,110.95x = 477,534,122.24
  5. Step 5: Solve for x
    x = 477,534,122.24/25,110.95
  6. Step 6: Final answer
    x = 19,016.97

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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.