Home / 27,699.41-38,223.42-15,124.16

Finding the Fourth Proportional to 27,699.41, 38,223.42 and 15,124.16

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Solution

The fourth proportional to 27,699.41, 38,223.42 and 15,124.16 is: 20,870.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699.41 : 38,223.42 = 15,124.16 : x
  2. Step 2: Convert to fraction form
    27,699.41/38,223.42 = 15,124.16/x
  3. Step 3: Cross multiply
    27,699.41x = 38,223.42 × 15,124.16
  4. Step 4: Simplify right side
    27,699.41x = 578,097,119.83
  5. Step 5: Solve for x
    x = 578,097,119.83/27,699.41
  6. Step 6: Final answer
    x = 20,870.38

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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.