Home / 15,278.06-22,813.12-13,484.18

Finding the Fourth Proportional to 15,278.06, 22,813.12 and 13,484.18

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Solution

The fourth proportional to 15,278.06, 22,813.12 and 13,484.18 is: 20,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.06 : 22,813.12 = 13,484.18 : x
  2. Step 2: Convert to fraction form
    15,278.06/22,813.12 = 13,484.18/x
  3. Step 3: Cross multiply
    15,278.06x = 22,813.12 × 13,484.18
  4. Step 4: Simplify right side
    15,278.06x = 307,616,216.44
  5. Step 5: Solve for x
    x = 307,616,216.44/15,278.06
  6. Step 6: Final answer
    x = 20,134.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.