Home / 25,326.64-34,950.16-13,995.55

Finding the Fourth Proportional to 25,326.64, 34,950.16 and 13,995.55

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Solution

The fourth proportional to 25,326.64, 34,950.16 and 13,995.55 is: 19,313.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,326.64 : 34,950.16 = 13,995.55 : x
  2. Step 2: Convert to fraction form
    25,326.64/34,950.16 = 13,995.55/x
  3. Step 3: Cross multiply
    25,326.64x = 34,950.16 × 13,995.55
  4. Step 4: Simplify right side
    25,326.64x = 489,146,711.79
  5. Step 5: Solve for x
    x = 489,146,711.79/25,326.64
  6. Step 6: Final answer
    x = 19,313.53

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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.