Home / 27,417.71-37,776.29-18,449.65

Finding the Fourth Proportional to 27,417.71, 37,776.29 and 18,449.65

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Solution

The fourth proportional to 27,417.71, 37,776.29 and 18,449.65 is: 25,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,417.71 : 37,776.29 = 18,449.65 : x
  2. Step 2: Convert to fraction form
    27,417.71/37,776.29 = 18,449.65/x
  3. Step 3: Cross multiply
    27,417.71x = 37,776.29 × 18,449.65
  4. Step 4: Simplify right side
    27,417.71x = 696,959,283.77
  5. Step 5: Solve for x
    x = 696,959,283.77/27,417.71
  6. Step 6: Final answer
    x = 25,420.04

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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.