Home / 18,407.22-25,402.76-10,450.19

Finding the Fourth Proportional to 18,407.22, 25,402.76 and 10,450.19

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Solution

The fourth proportional to 18,407.22, 25,402.76 and 10,450.19 is: 14,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.22 : 25,402.76 = 10,450.19 : x
  2. Step 2: Convert to fraction form
    18,407.22/25,402.76 = 10,450.19/x
  3. Step 3: Cross multiply
    18,407.22x = 25,402.76 × 10,450.19
  4. Step 4: Simplify right side
    18,407.22x = 265,463,489.26
  5. Step 5: Solve for x
    x = 265,463,489.26/18,407.22
  6. Step 6: Final answer
    x = 14,421.70

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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.