Home / 16,155.14-22,280.35-11,127.50

Finding the Fourth Proportional to 16,155.14, 22,280.35 and 11,127.50

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Solution

The fourth proportional to 16,155.14, 22,280.35 and 11,127.50 is: 15,346.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,155.14 : 22,280.35 = 11,127.50 : x
  2. Step 2: Convert to fraction form
    16,155.14/22,280.35 = 11,127.50/x
  3. Step 3: Cross multiply
    16,155.14x = 22,280.35 × 11,127.50
  4. Step 4: Simplify right side
    16,155.14x = 247,924,455.40
  5. Step 5: Solve for x
    x = 247,924,455.40/16,155.14
  6. Step 6: Final answer
    x = 15,346.48

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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.