Home / 23,180.24-31,988.41-12,569.65

Finding the Fourth Proportional to 23,180.24, 31,988.41 and 12,569.65

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Solution

The fourth proportional to 23,180.24, 31,988.41 and 12,569.65 is: 17,345.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180.24 : 31,988.41 = 12,569.65 : x
  2. Step 2: Convert to fraction form
    23,180.24/31,988.41 = 12,569.65/x
  3. Step 3: Cross multiply
    23,180.24x = 31,988.41 × 12,569.65
  4. Step 4: Simplify right side
    23,180.24x = 402,083,117.76
  5. Step 5: Solve for x
    x = 402,083,117.76/23,180.24
  6. Step 6: Final answer
    x = 17,345.94

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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.