Home / 27,300.18-37,674.12-15,363.72

Finding the Fourth Proportional to 27,300.18, 37,674.12 and 15,363.72

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Solution

The fourth proportional to 27,300.18, 37,674.12 and 15,363.72 is: 21,201.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,300.18 : 37,674.12 = 15,363.72 : x
  2. Step 2: Convert to fraction form
    27,300.18/37,674.12 = 15,363.72/x
  3. Step 3: Cross multiply
    27,300.18x = 37,674.12 × 15,363.72
  4. Step 4: Simplify right side
    27,300.18x = 578,814,630.93
  5. Step 5: Solve for x
    x = 578,814,630.93/27,300.18
  6. Step 6: Final answer
    x = 21,201.86

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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.