Home / 25,870.23-35,700.48-15,260.85

Finding the Fourth Proportional to 25,870.23, 35,700.48 and 15,260.85

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Solution

The fourth proportional to 25,870.23, 35,700.48 and 15,260.85 is: 21,059.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,870.23 : 35,700.48 = 15,260.85 : x
  2. Step 2: Convert to fraction form
    25,870.23/35,700.48 = 15,260.85/x
  3. Step 3: Cross multiply
    25,870.23x = 35,700.48 × 15,260.85
  4. Step 4: Simplify right side
    25,870.23x = 544,819,670.21
  5. Step 5: Solve for x
    x = 544,819,670.21/25,870.23
  6. Step 6: Final answer
    x = 21,059.71

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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.