Home / 27,927.98-38,547.87-18,493.10

Finding the Fourth Proportional to 27,927.98, 38,547.87 and 18,493.10

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Solution

The fourth proportional to 27,927.98, 38,547.87 and 18,493.10 is: 25,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,927.98 : 38,547.87 = 18,493.10 : x
  2. Step 2: Convert to fraction form
    27,927.98/38,547.87 = 18,493.10/x
  3. Step 3: Cross multiply
    27,927.98x = 38,547.87 × 18,493.10
  4. Step 4: Simplify right side
    27,927.98x = 712,869,614.70
  5. Step 5: Solve for x
    x = 712,869,614.70/27,927.98
  6. Step 6: Final answer
    x = 25,525.28

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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.