Home / 25,445.40-35,116.79-14,118.54

Finding the Fourth Proportional to 25,445.40, 35,116.79 and 14,118.54

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Solution

The fourth proportional to 25,445.40, 35,116.79 and 14,118.54 is: 19,484.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.40 : 35,116.79 = 14,118.54 : x
  2. Step 2: Convert to fraction form
    25,445.40/35,116.79 = 14,118.54/x
  3. Step 3: Cross multiply
    25,445.40x = 35,116.79 × 14,118.54
  4. Step 4: Simplify right side
    25,445.40x = 495,797,733.69
  5. Step 5: Solve for x
    x = 495,797,733.69/25,445.40
  6. Step 6: Final answer
    x = 19,484.77

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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.