Home / 27,486.04-37,930.74-15,549.13

Finding the Fourth Proportional to 27,486.04, 37,930.74 and 15,549.13

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Solution

The fourth proportional to 27,486.04, 37,930.74 and 15,549.13 is: 21,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,486.04 : 37,930.74 = 15,549.13 : x
  2. Step 2: Convert to fraction form
    27,486.04/37,930.74 = 15,549.13/x
  3. Step 3: Cross multiply
    27,486.04x = 37,930.74 × 15,549.13
  4. Step 4: Simplify right side
    27,486.04x = 589,790,007.26
  5. Step 5: Solve for x
    x = 589,790,007.26/27,486.04
  6. Step 6: Final answer
    x = 21,457.80

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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.