Home / 17,302.68-23,889.10-13,316.76

Finding the Fourth Proportional to 17,302.68, 23,889.10 and 13,316.76

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Solution

The fourth proportional to 17,302.68, 23,889.10 and 13,316.76 is: 18,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,302.68 : 23,889.10 = 13,316.76 : x
  2. Step 2: Convert to fraction form
    17,302.68/23,889.10 = 13,316.76/x
  3. Step 3: Cross multiply
    17,302.68x = 23,889.10 × 13,316.76
  4. Step 4: Simplify right side
    17,302.68x = 318,125,411.32
  5. Step 5: Solve for x
    x = 318,125,411.32/17,302.68
  6. Step 6: Final answer
    x = 18,385.90

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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.