Home / 22,549.19-31,117.57-12,477.65

Finding the Fourth Proportional to 22,549.19, 31,117.57 and 12,477.65

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Solution

The fourth proportional to 22,549.19, 31,117.57 and 12,477.65 is: 17,218.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,549.19 : 31,117.57 = 12,477.65 : x
  2. Step 2: Convert to fraction form
    22,549.19/31,117.57 = 12,477.65/x
  3. Step 3: Cross multiply
    22,549.19x = 31,117.57 × 12,477.65
  4. Step 4: Simplify right side
    22,549.19x = 388,273,960.53
  5. Step 5: Solve for x
    x = 388,273,960.53/22,549.19
  6. Step 6: Final answer
    x = 17,218.98

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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.