Home / 22,552.55-31,148.22-15,370.08

Finding the Fourth Proportional to 22,552.55, 31,148.22 and 15,370.08

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Solution

The fourth proportional to 22,552.55, 31,148.22 and 15,370.08 is: 21,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,552.55 : 31,148.22 = 15,370.08 : x
  2. Step 2: Convert to fraction form
    22,552.55/31,148.22 = 15,370.08/x
  3. Step 3: Cross multiply
    22,552.55x = 31,148.22 × 15,370.08
  4. Step 4: Simplify right side
    22,552.55x = 478,750,633.26
  5. Step 5: Solve for x
    x = 478,750,633.26/22,552.55
  6. Step 6: Final answer
    x = 21,228.23

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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.