Home / 17,945.71-24,799.21-13,461.66

Finding the Fourth Proportional to 17,945.71, 24,799.21 and 13,461.66

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Solution

The fourth proportional to 17,945.71, 24,799.21 and 13,461.66 is: 18,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.71 : 24,799.21 = 13,461.66 : x
  2. Step 2: Convert to fraction form
    17,945.71/24,799.21 = 13,461.66/x
  3. Step 3: Cross multiply
    17,945.71x = 24,799.21 × 13,461.66
  4. Step 4: Simplify right side
    17,945.71x = 333,838,499.63
  5. Step 5: Solve for x
    x = 333,838,499.63/17,945.71
  6. Step 6: Final answer
    x = 18,602.69

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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.