Home / 18,411.04-25,406.46-10,453.12

Finding the Fourth Proportional to 18,411.04, 25,406.46 and 10,453.12

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Solution

The fourth proportional to 18,411.04, 25,406.46 and 10,453.12 is: 14,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.04 : 25,406.46 = 10,453.12 : x
  2. Step 2: Convert to fraction form
    18,411.04/25,406.46 = 10,453.12/x
  3. Step 3: Cross multiply
    18,411.04x = 25,406.46 × 10,453.12
  4. Step 4: Simplify right side
    18,411.04x = 265,576,775.16
  5. Step 5: Solve for x
    x = 265,576,775.16/18,411.04
  6. Step 6: Final answer
    x = 14,424.87

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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.