Home / 22,153.05-30,547.80-16,478.73

Finding the Fourth Proportional to 22,153.05, 30,547.80 and 16,478.73

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Solution

The fourth proportional to 22,153.05, 30,547.80 and 16,478.73 is: 22,723.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,153.05 : 30,547.80 = 16,478.73 : x
  2. Step 2: Convert to fraction form
    22,153.05/30,547.80 = 16,478.73/x
  3. Step 3: Cross multiply
    22,153.05x = 30,547.80 × 16,478.73
  4. Step 4: Simplify right side
    22,153.05x = 503,388,948.29
  5. Step 5: Solve for x
    x = 503,388,948.29/22,153.05
  6. Step 6: Final answer
    x = 22,723.23

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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.