Home / 27,509.20-37,962.81-15,574.84

Finding the Fourth Proportional to 27,509.20, 37,962.81 and 15,574.84

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Solution

The fourth proportional to 27,509.20, 37,962.81 and 15,574.84 is: 21,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,509.20 : 37,962.81 = 15,574.84 : x
  2. Step 2: Convert to fraction form
    27,509.20/37,962.81 = 15,574.84/x
  3. Step 3: Cross multiply
    27,509.20x = 37,962.81 × 15,574.84
  4. Step 4: Simplify right side
    27,509.20x = 591,264,691.70
  5. Step 5: Solve for x
    x = 591,264,691.70/27,509.20
  6. Step 6: Final answer
    x = 21,493.34

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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.