Home / 19,422.90-26,802.63-11,867.76

Finding the Fourth Proportional to 19,422.90, 26,802.63 and 11,867.76

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Solution

The fourth proportional to 19,422.90, 26,802.63 and 11,867.76 is: 16,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.90 : 26,802.63 = 11,867.76 : x
  2. Step 2: Convert to fraction form
    19,422.90/26,802.63 = 11,867.76/x
  3. Step 3: Cross multiply
    19,422.90x = 26,802.63 × 11,867.76
  4. Step 4: Simplify right side
    19,422.90x = 318,087,180.21
  5. Step 5: Solve for x
    x = 318,087,180.21/19,422.90
  6. Step 6: Final answer
    x = 16,376.91

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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.