Home / 16,191.55-22,344.65-9,816.58

Finding the Fourth Proportional to 16,191.55, 22,344.65 and 9,816.58

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Solution

The fourth proportional to 16,191.55, 22,344.65 and 9,816.58 is: 13,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.55 : 22,344.65 = 9,816.58 : x
  2. Step 2: Convert to fraction form
    16,191.55/22,344.65 = 9,816.58/x
  3. Step 3: Cross multiply
    16,191.55x = 22,344.65 × 9,816.58
  4. Step 4: Simplify right side
    16,191.55x = 219,348,012.98
  5. Step 5: Solve for x
    x = 219,348,012.98/16,191.55
  6. Step 6: Final answer
    x = 13,547.07

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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.