Home / 27,699.94-38,225.89-15,124.69

Finding the Fourth Proportional to 27,699.94, 38,225.89 and 15,124.69

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Solution

The fourth proportional to 27,699.94, 38,225.89 and 15,124.69 is: 20,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699.94 : 38,225.89 = 15,124.69 : x
  2. Step 2: Convert to fraction form
    27,699.94/38,225.89 = 15,124.69/x
  3. Step 3: Cross multiply
    27,699.94x = 38,225.89 × 15,124.69
  4. Step 4: Simplify right side
    27,699.94x = 578,154,736.22
  5. Step 5: Solve for x
    x = 578,154,736.22/27,699.94
  6. Step 6: Final answer
    x = 20,872.06

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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.