Home / 22,140.64-30,535.28-18,708.03

Finding the Fourth Proportional to 22,140.64, 30,535.28 and 18,708.03

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Solution

The fourth proportional to 22,140.64, 30,535.28 and 18,708.03 is: 25,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.64 : 30,535.28 = 18,708.03 : x
  2. Step 2: Convert to fraction form
    22,140.64/30,535.28 = 18,708.03/x
  3. Step 3: Cross multiply
    22,140.64x = 30,535.28 × 18,708.03
  4. Step 4: Simplify right side
    22,140.64x = 571,255,030.60
  5. Step 5: Solve for x
    x = 571,255,030.60/22,140.64
  6. Step 6: Final answer
    x = 25,801.20

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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.