Home / 16,357.40-22,571.52-9,188.12

Finding the Fourth Proportional to 16,357.40, 22,571.52 and 9,188.12

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Solution

The fourth proportional to 16,357.40, 22,571.52 and 9,188.12 is: 12,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,357.40 : 22,571.52 = 9,188.12 : x
  2. Step 2: Convert to fraction form
    16,357.40/22,571.52 = 9,188.12/x
  3. Step 3: Cross multiply
    16,357.40x = 22,571.52 × 9,188.12
  4. Step 4: Simplify right side
    16,357.40x = 207,389,721.48
  5. Step 5: Solve for x
    x = 207,389,721.48/16,357.40
  6. Step 6: Final answer
    x = 12,678.65

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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.