Home / 22,659.74-31,270.50-12,587.93

Finding the Fourth Proportional to 22,659.74, 31,270.50 and 12,587.93

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Solution

The fourth proportional to 22,659.74, 31,270.50 and 12,587.93 is: 17,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.74 : 31,270.50 = 12,587.93 : x
  2. Step 2: Convert to fraction form
    22,659.74/31,270.50 = 12,587.93/x
  3. Step 3: Cross multiply
    22,659.74x = 31,270.50 × 12,587.93
  4. Step 4: Simplify right side
    22,659.74x = 393,630,708.71
  5. Step 5: Solve for x
    x = 393,630,708.71/22,659.74
  6. Step 6: Final answer
    x = 17,371.37

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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.