Home / 27,290.96-37,658.46-15,354.04

Finding the Fourth Proportional to 27,290.96, 37,658.46 and 15,354.04

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Solution

The fourth proportional to 27,290.96, 37,658.46 and 15,354.04 is: 21,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,290.96 : 37,658.46 = 15,354.04 : x
  2. Step 2: Convert to fraction form
    27,290.96/37,658.46 = 15,354.04/x
  3. Step 3: Cross multiply
    27,290.96x = 37,658.46 × 15,354.04
  4. Step 4: Simplify right side
    27,290.96x = 578,209,501.18
  5. Step 5: Solve for x
    x = 578,209,501.18/27,290.96
  6. Step 6: Final answer
    x = 21,186.85

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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.