Home / 15,463.96-21,345.39-11,000.66

Finding the Fourth Proportional to 15,463.96, 21,345.39 and 11,000.66

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Solution

The fourth proportional to 15,463.96, 21,345.39 and 11,000.66 is: 15,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,463.96 : 21,345.39 = 11,000.66 : x
  2. Step 2: Convert to fraction form
    15,463.96/21,345.39 = 11,000.66/x
  3. Step 3: Cross multiply
    15,463.96x = 21,345.39 × 11,000.66
  4. Step 4: Simplify right side
    15,463.96x = 234,813,271.23
  5. Step 5: Solve for x
    x = 234,813,271.23/15,463.96
  6. Step 6: Final answer
    x = 15,184.55

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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.