Home / 16,167.80-22,307.18-9,455.08

Finding the Fourth Proportional to 16,167.80, 22,307.18 and 9,455.08

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Solution

The fourth proportional to 16,167.80, 22,307.18 and 9,455.08 is: 13,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,167.80 : 22,307.18 = 9,455.08 : x
  2. Step 2: Convert to fraction form
    16,167.80/22,307.18 = 9,455.08/x
  3. Step 3: Cross multiply
    16,167.80x = 22,307.18 × 9,455.08
  4. Step 4: Simplify right side
    16,167.80x = 210,916,139.34
  5. Step 5: Solve for x
    x = 210,916,139.34/16,167.80
  6. Step 6: Final answer
    x = 13,045.45

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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.