Home / 25,118.60-34,663.73-13,788.18

Finding the Fourth Proportional to 25,118.60, 34,663.73 and 13,788.18

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Solution

The fourth proportional to 25,118.60, 34,663.73 and 13,788.18 is: 19,027.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,118.60 : 34,663.73 = 13,788.18 : x
  2. Step 2: Convert to fraction form
    25,118.60/34,663.73 = 13,788.18/x
  3. Step 3: Cross multiply
    25,118.60x = 34,663.73 × 13,788.18
  4. Step 4: Simplify right side
    25,118.60x = 477,949,679.77
  5. Step 5: Solve for x
    x = 477,949,679.77/25,118.60
  6. Step 6: Final answer
    x = 19,027.72

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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.