Home / 16,909.10-25,363.65-9,133.10

Finding the Fourth Proportional to 16,909.10, 25,363.65 and 9,133.10

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Solution

The fourth proportional to 16,909.10, 25,363.65 and 9,133.10 is: 13,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.10 : 25,363.65 = 9,133.10 : x
  2. Step 2: Convert to fraction form
    16,909.10/25,363.65 = 9,133.10/x
  3. Step 3: Cross multiply
    16,909.10x = 25,363.65 × 9,133.10
  4. Step 4: Simplify right side
    16,909.10x = 231,648,751.82
  5. Step 5: Solve for x
    x = 231,648,751.82/16,909.10
  6. Step 6: Final answer
    x = 13,699.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.