Home / 16,228.49-22,387.50-9,509.94

Finding the Fourth Proportional to 16,228.49, 22,387.50 and 9,509.94

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Solution

The fourth proportional to 16,228.49, 22,387.50 and 9,509.94 is: 13,119.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,228.49 : 22,387.50 = 9,509.94 : x
  2. Step 2: Convert to fraction form
    16,228.49/22,387.50 = 9,509.94/x
  3. Step 3: Cross multiply
    16,228.49x = 22,387.50 × 9,509.94
  4. Step 4: Simplify right side
    16,228.49x = 212,903,781.75
  5. Step 5: Solve for x
    x = 212,903,781.75/16,228.49
  6. Step 6: Final answer
    x = 13,119.14

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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.