Home / 27,145.76-37,460.10-15,208.49

Finding the Fourth Proportional to 27,145.76, 37,460.10 and 15,208.49

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Solution

The fourth proportional to 27,145.76, 37,460.10 and 15,208.49 is: 20,987.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.76 : 37,460.10 = 15,208.49 : x
  2. Step 2: Convert to fraction form
    27,145.76/37,460.10 = 15,208.49/x
  3. Step 3: Cross multiply
    27,145.76x = 37,460.10 × 15,208.49
  4. Step 4: Simplify right side
    27,145.76x = 569,711,706.93
  5. Step 5: Solve for x
    x = 569,711,706.93/27,145.76
  6. Step 6: Final answer
    x = 20,987.14

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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.