Home / 19,432.16-26,827.44-12,827.36

Finding the Fourth Proportional to 19,432.16, 26,827.44 and 12,827.36

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Solution

The fourth proportional to 19,432.16, 26,827.44 and 12,827.36 is: 17,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.16 : 26,827.44 = 12,827.36 : x
  2. Step 2: Convert to fraction form
    19,432.16/26,827.44 = 12,827.36/x
  3. Step 3: Cross multiply
    19,432.16x = 26,827.44 × 12,827.36
  4. Step 4: Simplify right side
    19,432.16x = 344,125,230.76
  5. Step 5: Solve for x
    x = 344,125,230.76/19,432.16
  6. Step 6: Final answer
    x = 17,709.06

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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.