Home / 22,587.18-31,175.51-15,033.81

Finding the Fourth Proportional to 22,587.18, 31,175.51 and 15,033.81

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Solution

The fourth proportional to 22,587.18, 31,175.51 and 15,033.81 is: 20,750.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,587.18 : 31,175.51 = 15,033.81 : x
  2. Step 2: Convert to fraction form
    22,587.18/31,175.51 = 15,033.81/x
  3. Step 3: Cross multiply
    22,587.18x = 31,175.51 × 15,033.81
  4. Step 4: Simplify right side
    22,587.18x = 468,686,693.99
  5. Step 5: Solve for x
    x = 468,686,693.99/22,587.18
  6. Step 6: Final answer
    x = 20,750.12

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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.