Home / 25,799.07-35,599.55-15,186.66

Finding the Fourth Proportional to 25,799.07, 35,599.55 and 15,186.66

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Solution

The fourth proportional to 25,799.07, 35,599.55 and 15,186.66 is: 20,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,799.07 : 35,599.55 = 15,186.66 : x
  2. Step 2: Convert to fraction form
    25,799.07/35,599.55 = 15,186.66/x
  3. Step 3: Cross multiply
    25,799.07x = 35,599.55 × 15,186.66
  4. Step 4: Simplify right side
    25,799.07x = 540,638,138.00
  5. Step 5: Solve for x
    x = 540,638,138.00/25,799.07
  6. Step 6: Final answer
    x = 20,955.72

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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.