Home / 16,487.04-22,751.31-9,317.10

Finding the Fourth Proportional to 16,487.04, 22,751.31 and 9,317.10

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Solution

The fourth proportional to 16,487.04, 22,751.31 and 9,317.10 is: 12,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,487.04 : 22,751.31 = 9,317.10 : x
  2. Step 2: Convert to fraction form
    16,487.04/22,751.31 = 9,317.10/x
  3. Step 3: Cross multiply
    16,487.04x = 22,751.31 × 9,317.10
  4. Step 4: Simplify right side
    16,487.04x = 211,976,230.40
  5. Step 5: Solve for x
    x = 211,976,230.40/16,487.04
  6. Step 6: Final answer
    x = 12,857.14

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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.