Home / 26,456.52-36,518.98-18,515.32

Finding the Fourth Proportional to 26,456.52, 36,518.98 and 18,515.32

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Solution

The fourth proportional to 26,456.52, 36,518.98 and 18,515.32 is: 25,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,456.52 : 36,518.98 = 18,515.32 : x
  2. Step 2: Convert to fraction form
    26,456.52/36,518.98 = 18,515.32/x
  3. Step 3: Cross multiply
    26,456.52x = 36,518.98 × 18,515.32
  4. Step 4: Simplify right side
    26,456.52x = 676,160,600.77
  5. Step 5: Solve for x
    x = 676,160,600.77/26,456.52
  6. Step 6: Final answer
    x = 25,557.43

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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.