Home / 27,438.21-37,864.67-14,862.96

Finding the Fourth Proportional to 27,438.21, 37,864.67 and 14,862.96

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Solution

The fourth proportional to 27,438.21, 37,864.67 and 14,862.96 is: 20,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.21 : 37,864.67 = 14,862.96 : x
  2. Step 2: Convert to fraction form
    27,438.21/37,864.67 = 14,862.96/x
  3. Step 3: Cross multiply
    27,438.21x = 37,864.67 × 14,862.96
  4. Step 4: Simplify right side
    27,438.21x = 562,781,001.31
  5. Step 5: Solve for x
    x = 562,781,001.31/27,438.21
  6. Step 6: Final answer
    x = 20,510.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.