Home / 23,501.29-32,436.40-13,428.79

Finding the Fourth Proportional to 23,501.29, 32,436.40 and 13,428.79

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Solution

The fourth proportional to 23,501.29, 32,436.40 and 13,428.79 is: 18,534.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,501.29 : 32,436.40 = 13,428.79 : x
  2. Step 2: Convert to fraction form
    23,501.29/32,436.40 = 13,428.79/x
  3. Step 3: Cross multiply
    23,501.29x = 32,436.40 × 13,428.79
  4. Step 4: Simplify right side
    23,501.29x = 435,581,514.47
  5. Step 5: Solve for x
    x = 435,581,514.47/23,501.29
  6. Step 6: Final answer
    x = 18,534.37

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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.