Home / 16,525.47-22,805.16-8,971.79

Finding the Fourth Proportional to 16,525.47, 22,805.16 and 8,971.79

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Solution

The fourth proportional to 16,525.47, 22,805.16 and 8,971.79 is: 12,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,525.47 : 22,805.16 = 8,971.79 : x
  2. Step 2: Convert to fraction form
    16,525.47/22,805.16 = 8,971.79/x
  3. Step 3: Cross multiply
    16,525.47x = 22,805.16 × 8,971.79
  4. Step 4: Simplify right side
    16,525.47x = 204,603,129.81
  5. Step 5: Solve for x
    x = 204,603,129.81/16,525.47
  6. Step 6: Final answer
    x = 12,381.08

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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.