Home / 25,688.61-38,528.06-8,158.59

Finding the Fourth Proportional to 25,688.61, 38,528.06 and 8,158.59

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Solution

The fourth proportional to 25,688.61, 38,528.06 and 8,158.59 is: 12,236.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.61 : 38,528.06 = 8,158.59 : x
  2. Step 2: Convert to fraction form
    25,688.61/38,528.06 = 8,158.59/x
  3. Step 3: Cross multiply
    25,688.61x = 38,528.06 × 8,158.59
  4. Step 4: Simplify right side
    25,688.61x = 314,334,604.24
  5. Step 5: Solve for x
    x = 314,334,604.24/25,688.61
  6. Step 6: Final answer
    x = 12,236.34

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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.