Home / 23,279.95-32,126.43-12,669.69

Finding the Fourth Proportional to 23,279.95, 32,126.43 and 12,669.69

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Solution

The fourth proportional to 23,279.95, 32,126.43 and 12,669.69 is: 17,484.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.95 : 32,126.43 = 12,669.69 : x
  2. Step 2: Convert to fraction form
    23,279.95/32,126.43 = 12,669.69/x
  3. Step 3: Cross multiply
    23,279.95x = 32,126.43 × 12,669.69
  4. Step 4: Simplify right side
    23,279.95x = 407,031,908.91
  5. Step 5: Solve for x
    x = 407,031,908.91/23,279.95
  6. Step 6: Final answer
    x = 17,484.23

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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.