Home / 15,874.13-22,006.60-15,031.51

Finding the Fourth Proportional to 15,874.13, 22,006.60 and 15,031.51

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Solution

The fourth proportional to 15,874.13, 22,006.60 and 15,031.51 is: 20,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,874.13 : 22,006.60 = 15,031.51 : x
  2. Step 2: Convert to fraction form
    15,874.13/22,006.60 = 15,031.51/x
  3. Step 3: Cross multiply
    15,874.13x = 22,006.60 × 15,031.51
  4. Step 4: Simplify right side
    15,874.13x = 330,792,335.37
  5. Step 5: Solve for x
    x = 330,792,335.37/15,874.13
  6. Step 6: Final answer
    x = 20,838.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.