Home / 22,638.60-31,241.14-12,566.76

Finding the Fourth Proportional to 22,638.60, 31,241.14 and 12,566.76

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Solution

The fourth proportional to 22,638.60, 31,241.14 and 12,566.76 is: 17,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,638.60 : 31,241.14 = 12,566.76 : x
  2. Step 2: Convert to fraction form
    22,638.60/31,241.14 = 12,566.76/x
  3. Step 3: Cross multiply
    22,638.60x = 31,241.14 × 12,566.76
  4. Step 4: Simplify right side
    22,638.60x = 392,599,908.51
  5. Step 5: Solve for x
    x = 392,599,908.51/22,638.60
  6. Step 6: Final answer
    x = 17,342.06

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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.