Home / 25,751.36-35,531.52-15,135.32

Finding the Fourth Proportional to 25,751.36, 35,531.52 and 15,135.32

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Solution

The fourth proportional to 25,751.36, 35,531.52 and 15,135.32 is: 20,883.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.36 : 35,531.52 = 15,135.32 : x
  2. Step 2: Convert to fraction form
    25,751.36/35,531.52 = 15,135.32/x
  3. Step 3: Cross multiply
    25,751.36x = 35,531.52 × 15,135.32
  4. Step 4: Simplify right side
    25,751.36x = 537,780,925.29
  5. Step 5: Solve for x
    x = 537,780,925.29/25,751.36
  6. Step 6: Final answer
    x = 20,883.59

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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.