Home / 16,209.52-22,368.76-9,135.99

Finding the Fourth Proportional to 16,209.52, 22,368.76 and 9,135.99

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Solution

The fourth proportional to 16,209.52, 22,368.76 and 9,135.99 is: 12,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,209.52 : 22,368.76 = 9,135.99 : x
  2. Step 2: Convert to fraction form
    16,209.52/22,368.76 = 9,135.99/x
  3. Step 3: Cross multiply
    16,209.52x = 22,368.76 × 9,135.99
  4. Step 4: Simplify right side
    16,209.52x = 204,360,744.83
  5. Step 5: Solve for x
    x = 204,360,744.83/16,209.52
  6. Step 6: Final answer
    x = 12,607.45

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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.