Home / 27,045.24-37,319.13-15,108.09

Finding the Fourth Proportional to 27,045.24, 37,319.13 and 15,108.09

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Solution

The fourth proportional to 27,045.24, 37,319.13 and 15,108.09 is: 20,847.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,045.24 : 37,319.13 = 15,108.09 : x
  2. Step 2: Convert to fraction form
    27,045.24/37,319.13 = 15,108.09/x
  3. Step 3: Cross multiply
    27,045.24x = 37,319.13 × 15,108.09
  4. Step 4: Simplify right side
    27,045.24x = 563,820,774.76
  5. Step 5: Solve for x
    x = 563,820,774.76/27,045.24
  6. Step 6: Final answer
    x = 20,847.32

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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.