Home / 22,630.98-31,230.86-12,559.58

Finding the Fourth Proportional to 22,630.98, 31,230.86 and 12,559.58

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Solution

The fourth proportional to 22,630.98, 31,230.86 and 12,559.58 is: 17,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,630.98 : 31,230.86 = 12,559.58 : x
  2. Step 2: Convert to fraction form
    22,630.98/31,230.86 = 12,559.58/x
  3. Step 3: Cross multiply
    22,630.98x = 31,230.86 × 12,559.58
  4. Step 4: Simplify right side
    22,630.98x = 392,246,484.64
  5. Step 5: Solve for x
    x = 392,246,484.64/22,630.98
  6. Step 6: Final answer
    x = 17,332.28

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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.