Home / 22,175.06-30,601.59-15,113.82

Finding the Fourth Proportional to 22,175.06, 30,601.59 and 15,113.82

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Solution

The fourth proportional to 22,175.06, 30,601.59 and 15,113.82 is: 20,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,175.06 : 30,601.59 = 15,113.82 : x
  2. Step 2: Convert to fraction form
    22,175.06/30,601.59 = 15,113.82/x
  3. Step 3: Cross multiply
    22,175.06x = 30,601.59 × 15,113.82
  4. Step 4: Simplify right side
    22,175.06x = 462,506,885.19
  5. Step 5: Solve for x
    x = 462,506,885.19/22,175.06
  6. Step 6: Final answer
    x = 20,857.07

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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.