Home / 14,749.10-22,070.40-12,693.90

Finding the Fourth Proportional to 14,749.10, 22,070.40 and 12,693.90

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Solution

The fourth proportional to 14,749.10, 22,070.40 and 12,693.90 is: 18,995.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,749.10 : 22,070.40 = 12,693.90 : x
  2. Step 2: Convert to fraction form
    14,749.10/22,070.40 = 12,693.90/x
  3. Step 3: Cross multiply
    14,749.10x = 22,070.40 × 12,693.90
  4. Step 4: Simplify right side
    14,749.10x = 280,159,450.56
  5. Step 5: Solve for x
    x = 280,159,450.56/14,749.10
  6. Step 6: Final answer
    x = 18,995.02

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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.