Home / 18,280.28-25,223.70-10,323.25

Finding the Fourth Proportional to 18,280.28, 25,223.70 and 10,323.25

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Solution

The fourth proportional to 18,280.28, 25,223.70 and 10,323.25 is: 14,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.28 : 25,223.70 = 10,323.25 : x
  2. Step 2: Convert to fraction form
    18,280.28/25,223.70 = 10,323.25/x
  3. Step 3: Cross multiply
    18,280.28x = 25,223.70 × 10,323.25
  4. Step 4: Simplify right side
    18,280.28x = 260,390,536.68
  5. Step 5: Solve for x
    x = 260,390,536.68/18,280.28
  6. Step 6: Final answer
    x = 14,244.34

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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.