Home / 33,278.19-45,925.76-18,172.25

Finding the Fourth Proportional to 33,278.19, 45,925.76 and 18,172.25

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Solution

The fourth proportional to 33,278.19, 45,925.76 and 18,172.25 is: 25,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.19 : 45,925.76 = 18,172.25 : x
  2. Step 2: Convert to fraction form
    33,278.19/45,925.76 = 18,172.25/x
  3. Step 3: Cross multiply
    33,278.19x = 45,925.76 × 18,172.25
  4. Step 4: Simplify right side
    33,278.19x = 834,574,392.16
  5. Step 5: Solve for x
    x = 834,574,392.16/33,278.19
  6. Step 6: Final answer
    x = 25,078.72

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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.