Home / 27,113.06-40,666.86-12,318.01

Finding the Fourth Proportional to 27,113.06, 40,666.86 and 12,318.01

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Solution

The fourth proportional to 27,113.06, 40,666.86 and 12,318.01 is: 18,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,113.06 : 40,666.86 = 12,318.01 : x
  2. Step 2: Convert to fraction form
    27,113.06/40,666.86 = 12,318.01/x
  3. Step 3: Cross multiply
    27,113.06x = 40,666.86 × 12,318.01
  4. Step 4: Simplify right side
    27,113.06x = 500,934,686.48
  5. Step 5: Solve for x
    x = 500,934,686.48/27,113.06
  6. Step 6: Final answer
    x = 18,475.77

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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.