Home / 25,275.95-34,880.59-13,945.55

Finding the Fourth Proportional to 25,275.95, 34,880.59 and 13,945.55

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Solution

The fourth proportional to 25,275.95, 34,880.59 and 13,945.55 is: 19,244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,275.95 : 34,880.59 = 13,945.55 : x
  2. Step 2: Convert to fraction form
    25,275.95/34,880.59 = 13,945.55/x
  3. Step 3: Cross multiply
    25,275.95x = 34,880.59 × 13,945.55
  4. Step 4: Simplify right side
    25,275.95x = 486,428,767.74
  5. Step 5: Solve for x
    x = 486,428,767.74/25,275.95
  6. Step 6: Final answer
    x = 19,244.73

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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.