Home / 25,369.22-35,023.60-15,300.22

Finding the Fourth Proportional to 25,369.22, 35,023.60 and 15,300.22

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Solution

The fourth proportional to 25,369.22, 35,023.60 and 15,300.22 is: 21,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,369.22 : 35,023.60 = 15,300.22 : x
  2. Step 2: Convert to fraction form
    25,369.22/35,023.60 = 15,300.22/x
  3. Step 3: Cross multiply
    25,369.22x = 35,023.60 × 15,300.22
  4. Step 4: Simplify right side
    25,369.22x = 535,868,785.19
  5. Step 5: Solve for x
    x = 535,868,785.19/25,369.22
  6. Step 6: Final answer
    x = 21,122.79

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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.