Home / 27,256.41-37,612.40-15,318.96

Finding the Fourth Proportional to 27,256.41, 37,612.40 and 15,318.96

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Solution

The fourth proportional to 27,256.41, 37,612.40 and 15,318.96 is: 21,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,256.41 : 37,612.40 = 15,318.96 : x
  2. Step 2: Convert to fraction form
    27,256.41/37,612.40 = 15,318.96/x
  3. Step 3: Cross multiply
    27,256.41x = 37,612.40 × 15,318.96
  4. Step 4: Simplify right side
    27,256.41x = 576,182,774.51
  5. Step 5: Solve for x
    x = 576,182,774.51/27,256.41
  6. Step 6: Final answer
    x = 21,139.35

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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.