Home / 18,300.24-25,254.54-9,916.92

Finding the Fourth Proportional to 18,300.24, 25,254.54 and 9,916.92

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Solution

The fourth proportional to 18,300.24, 25,254.54 and 9,916.92 is: 13,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.24 : 25,254.54 = 9,916.92 : x
  2. Step 2: Convert to fraction form
    18,300.24/25,254.54 = 9,916.92/x
  3. Step 3: Cross multiply
    18,300.24x = 25,254.54 × 9,916.92
  4. Step 4: Simplify right side
    18,300.24x = 250,447,252.82
  5. Step 5: Solve for x
    x = 250,447,252.82/18,300.24
  6. Step 6: Final answer
    x = 13,685.46

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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.