Home / 22,582.40-31,168.90-15,029.05

Finding the Fourth Proportional to 22,582.40, 31,168.90 and 15,029.05

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Solution

The fourth proportional to 22,582.40, 31,168.90 and 15,029.05 is: 20,743.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,582.40 : 31,168.90 = 15,029.05 : x
  2. Step 2: Convert to fraction form
    22,582.40/31,168.90 = 15,029.05/x
  3. Step 3: Cross multiply
    22,582.40x = 31,168.90 × 15,029.05
  4. Step 4: Simplify right side
    22,582.40x = 468,438,881.40
  5. Step 5: Solve for x
    x = 468,438,881.40/22,582.40
  6. Step 6: Final answer
    x = 20,743.54

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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.