Home / 22,578.71-31,159.49-12,506.94

Finding the Fourth Proportional to 22,578.71, 31,159.49 and 12,506.94

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Solution

The fourth proportional to 22,578.71, 31,159.49 and 12,506.94 is: 17,260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,578.71 : 31,159.49 = 12,506.94 : x
  2. Step 2: Convert to fraction form
    22,578.71/31,159.49 = 12,506.94/x
  3. Step 3: Cross multiply
    22,578.71x = 31,159.49 × 12,506.94
  4. Step 4: Simplify right side
    22,578.71x = 389,710,019.93
  5. Step 5: Solve for x
    x = 389,710,019.93/22,578.71
  6. Step 6: Final answer
    x = 17,260.07

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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.