Home / 27,810.94-38,379.13-15,064.14

Finding the Fourth Proportional to 27,810.94, 38,379.13 and 15,064.14

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Solution

The fourth proportional to 27,810.94, 38,379.13 and 15,064.14 is: 20,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810.94 : 38,379.13 = 15,064.14 : x
  2. Step 2: Convert to fraction form
    27,810.94/38,379.13 = 15,064.14/x
  3. Step 3: Cross multiply
    27,810.94x = 38,379.13 × 15,064.14
  4. Step 4: Simplify right side
    27,810.94x = 578,148,549.74
  5. Step 5: Solve for x
    x = 578,148,549.74/27,810.94
  6. Step 6: Final answer
    x = 20,788.53

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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.