Home / 15,951.09-22,012.51-9,237.07

Finding the Fourth Proportional to 15,951.09, 22,012.51 and 9,237.07

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Solution

The fourth proportional to 15,951.09, 22,012.51 and 9,237.07 is: 12,747.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.09 : 22,012.51 = 9,237.07 : x
  2. Step 2: Convert to fraction form
    15,951.09/22,012.51 = 9,237.07/x
  3. Step 3: Cross multiply
    15,951.09x = 22,012.51 × 9,237.07
  4. Step 4: Simplify right side
    15,951.09x = 203,331,095.75
  5. Step 5: Solve for x
    x = 203,331,095.75/15,951.09
  6. Step 6: Final answer
    x = 12,747.16

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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.