Home / 49,686.08-74,528.46-12,246.60

Finding the Fourth Proportional to 49,686.08, 74,528.46 and 12,246.60

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Solution

The fourth proportional to 49,686.08, 74,528.46 and 12,246.60 is: 18,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,686.08 : 74,528.46 = 12,246.60 : x
  2. Step 2: Convert to fraction form
    49,686.08/74,528.46 = 12,246.60/x
  3. Step 3: Cross multiply
    49,686.08x = 74,528.46 × 12,246.60
  4. Step 4: Simplify right side
    49,686.08x = 912,720,238.24
  5. Step 5: Solve for x
    x = 912,720,238.24/49,686.08
  6. Step 6: Final answer
    x = 18,369.74

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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.