Home / 25,437.23-38,140.85-10,439.88

Finding the Fourth Proportional to 25,437.23, 38,140.85 and 10,439.88

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Solution

The fourth proportional to 25,437.23, 38,140.85 and 10,439.88 is: 15,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,437.23 : 38,140.85 = 10,439.88 : x
  2. Step 2: Convert to fraction form
    25,437.23/38,140.85 = 10,439.88/x
  3. Step 3: Cross multiply
    25,437.23x = 38,140.85 × 10,439.88
  4. Step 4: Simplify right side
    25,437.23x = 398,185,844.90
  5. Step 5: Solve for x
    x = 398,185,844.90/25,437.23
  6. Step 6: Final answer
    x = 15,653.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.