Home / 18,300.18-25,254.27-9,916.68

Finding the Fourth Proportional to 18,300.18, 25,254.27 and 9,916.68

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Solution

The fourth proportional to 18,300.18, 25,254.27 and 9,916.68 is: 13,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.18 : 25,254.27 = 9,916.68 : x
  2. Step 2: Convert to fraction form
    18,300.18/25,254.27 = 9,916.68/x
  3. Step 3: Cross multiply
    18,300.18x = 25,254.27 × 9,916.68
  4. Step 4: Simplify right side
    18,300.18x = 250,438,514.22
  5. Step 5: Solve for x
    x = 250,438,514.22/18,300.18
  6. Step 6: Final answer
    x = 13,685.03

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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.