Home / 17,666.34-26,432.37-10,887.66

Finding the Fourth Proportional to 17,666.34, 26,432.37 and 10,887.66

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Solution

The fourth proportional to 17,666.34, 26,432.37 and 10,887.66 is: 16,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.34 : 26,432.37 = 10,887.66 : x
  2. Step 2: Convert to fraction form
    17,666.34/26,432.37 = 10,887.66/x
  3. Step 3: Cross multiply
    17,666.34x = 26,432.37 × 10,887.66
  4. Step 4: Simplify right side
    17,666.34x = 287,786,657.55
  5. Step 5: Solve for x
    x = 287,786,657.55/17,666.34
  6. Step 6: Final answer
    x = 16,290.11

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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.