Home / 27,018.49-37,281.81-15,080.29

Finding the Fourth Proportional to 27,018.49, 37,281.81 and 15,080.29

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Solution

The fourth proportional to 27,018.49, 37,281.81 and 15,080.29 is: 20,808.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.49 : 37,281.81 = 15,080.29 : x
  2. Step 2: Convert to fraction form
    27,018.49/37,281.81 = 15,080.29/x
  3. Step 3: Cross multiply
    27,018.49x = 37,281.81 × 15,080.29
  4. Step 4: Simplify right side
    27,018.49x = 562,220,506.52
  5. Step 5: Solve for x
    x = 562,220,506.52/27,018.49
  6. Step 6: Final answer
    x = 20,808.73

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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.