Home / 16,113.96-22,226-15,572.08

Finding the Fourth Proportional to 16,113.96, 22,226 and 15,572.08

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Solution

The fourth proportional to 16,113.96, 22,226 and 15,572.08 is: 21,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,113.96 : 22,226 = 15,572.08 : x
  2. Step 2: Convert to fraction form
    16,113.96/22,226 = 15,572.08/x
  3. Step 3: Cross multiply
    16,113.96x = 22,226 × 15,572.08
  4. Step 4: Simplify right side
    16,113.96x = 346,105,050.08
  5. Step 5: Solve for x
    x = 346,105,050.08/16,113.96
  6. Step 6: Final answer
    x = 21,478.58

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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.