Home / 25,728.84-35,503.29-14,397.66

Finding the Fourth Proportional to 25,728.84, 35,503.29 and 14,397.66

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Solution

The fourth proportional to 25,728.84, 35,503.29 and 14,397.66 is: 19,867.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728.84 : 35,503.29 = 14,397.66 : x
  2. Step 2: Convert to fraction form
    25,728.84/35,503.29 = 14,397.66/x
  3. Step 3: Cross multiply
    25,728.84x = 35,503.29 × 14,397.66
  4. Step 4: Simplify right side
    25,728.84x = 511,164,298.30
  5. Step 5: Solve for x
    x = 511,164,298.30/25,728.84
  6. Step 6: Final answer
    x = 19,867.37

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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.