Home / 18,403.76-25,397.34-10,020.26

Finding the Fourth Proportional to 18,403.76, 25,397.34 and 10,020.26

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Solution

The fourth proportional to 18,403.76, 25,397.34 and 10,020.26 is: 13,828.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.76 : 25,397.34 = 10,020.26 : x
  2. Step 2: Convert to fraction form
    18,403.76/25,397.34 = 10,020.26/x
  3. Step 3: Cross multiply
    18,403.76x = 25,397.34 × 10,020.26
  4. Step 4: Simplify right side
    18,403.76x = 254,487,950.11
  5. Step 5: Solve for x
    x = 254,487,950.11/18,403.76
  6. Step 6: Final answer
    x = 13,828.04

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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.