Home / 25,446.47-35,114.37-14,115.51

Finding the Fourth Proportional to 25,446.47, 35,114.37 and 14,115.51

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Solution

The fourth proportional to 25,446.47, 35,114.37 and 14,115.51 is: 19,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,446.47 : 35,114.37 = 14,115.51 : x
  2. Step 2: Convert to fraction form
    25,446.47/35,114.37 = 14,115.51/x
  3. Step 3: Cross multiply
    25,446.47x = 35,114.37 × 14,115.51
  4. Step 4: Simplify right side
    25,446.47x = 495,657,240.88
  5. Step 5: Solve for x
    x = 495,657,240.88/25,446.47
  6. Step 6: Final answer
    x = 19,478.43

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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.