Home / 22,870.62-34,319.10-12,340.62

Finding the Fourth Proportional to 22,870.62, 34,319.10 and 12,340.62

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Solution

The fourth proportional to 22,870.62, 34,319.10 and 12,340.62 is: 18,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,870.62 : 34,319.10 = 12,340.62 : x
  2. Step 2: Convert to fraction form
    22,870.62/34,319.10 = 12,340.62/x
  3. Step 3: Cross multiply
    22,870.62x = 34,319.10 × 12,340.62
  4. Step 4: Simplify right side
    22,870.62x = 423,518,971.84
  5. Step 5: Solve for x
    x = 423,518,971.84/22,870.62
  6. Step 6: Final answer
    x = 18,518.04

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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.