Home / 25,445.16-35,109.77-15,366.83

Finding the Fourth Proportional to 25,445.16, 35,109.77 and 15,366.83

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Solution

The fourth proportional to 25,445.16, 35,109.77 and 15,366.83 is: 21,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,445.16 : 35,109.77 = 15,366.83 : x
  2. Step 2: Convert to fraction form
    25,445.16/35,109.77 = 15,366.83/x
  3. Step 3: Cross multiply
    25,445.16x = 35,109.77 × 15,366.83
  4. Step 4: Simplify right side
    25,445.16x = 539,525,614.55
  5. Step 5: Solve for x
    x = 539,525,614.55/25,445.16
  6. Step 6: Final answer
    x = 21,203.47

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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.