Home / 19,293.10-26,649.48-13,314.22

Finding the Fourth Proportional to 19,293.10, 26,649.48 and 13,314.22

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Solution

The fourth proportional to 19,293.10, 26,649.48 and 13,314.22 is: 18,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293.10 : 26,649.48 = 13,314.22 : x
  2. Step 2: Convert to fraction form
    19,293.10/26,649.48 = 13,314.22/x
  3. Step 3: Cross multiply
    19,293.10x = 26,649.48 × 13,314.22
  4. Step 4: Simplify right side
    19,293.10x = 354,817,039.61
  5. Step 5: Solve for x
    x = 354,817,039.61/19,293.10
  6. Step 6: Final answer
    x = 18,390.88

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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.