Home / 38,626.04-57,938.46-12,330.62

Finding the Fourth Proportional to 38,626.04, 57,938.46 and 12,330.62

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Solution

The fourth proportional to 38,626.04, 57,938.46 and 12,330.62 is: 18,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,626.04 : 57,938.46 = 12,330.62 : x
  2. Step 2: Convert to fraction form
    38,626.04/57,938.46 = 12,330.62/x
  3. Step 3: Cross multiply
    38,626.04x = 57,938.46 × 12,330.62
  4. Step 4: Simplify right side
    38,626.04x = 714,417,133.65
  5. Step 5: Solve for x
    x = 714,417,133.65/38,626.04
  6. Step 6: Final answer
    x = 18,495.74

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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.