Home / 24,830.80-34,278.60-19,508.56

Finding the Fourth Proportional to 24,830.80, 34,278.60 and 19,508.56

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Solution

The fourth proportional to 24,830.80, 34,278.60 and 19,508.56 is: 26,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,830.80 : 34,278.60 = 19,508.56 : x
  2. Step 2: Convert to fraction form
    24,830.80/34,278.60 = 19,508.56/x
  3. Step 3: Cross multiply
    24,830.80x = 34,278.60 × 19,508.56
  4. Step 4: Simplify right side
    24,830.80x = 668,726,124.82
  5. Step 5: Solve for x
    x = 668,726,124.82/24,830.80
  6. Step 6: Final answer
    x = 26,931.32

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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.