Home / 15,068.60-22,586.48-12,870.66

Finding the Fourth Proportional to 15,068.60, 22,586.48 and 12,870.66

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Solution

The fourth proportional to 15,068.60, 22,586.48 and 12,870.66 is: 19,291.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.60 : 22,586.48 = 12,870.66 : x
  2. Step 2: Convert to fraction form
    15,068.60/22,586.48 = 12,870.66/x
  3. Step 3: Cross multiply
    15,068.60x = 22,586.48 × 12,870.66
  4. Step 4: Simplify right side
    15,068.60x = 290,702,904.68
  5. Step 5: Solve for x
    x = 290,702,904.68/15,068.60
  6. Step 6: Final answer
    x = 19,291.97

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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.