Home / 23,279.12-32,124.68-12,669

Finding the Fourth Proportional to 23,279.12, 32,124.68 and 12,669

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Solution

The fourth proportional to 23,279.12, 32,124.68 and 12,669 is: 17,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.12 : 32,124.68 = 12,669 : x
  2. Step 2: Convert to fraction form
    23,279.12/32,124.68 = 12,669/x
  3. Step 3: Cross multiply
    23,279.12x = 32,124.68 × 12,669
  4. Step 4: Simplify right side
    23,279.12x = 406,987,570.92
  5. Step 5: Solve for x
    x = 406,987,570.92/23,279.12
  6. Step 6: Final answer
    x = 17,482.94

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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.