Home / 19,065.21-26,309.52-11,106.90

Finding the Fourth Proportional to 19,065.21, 26,309.52 and 11,106.90

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Solution

The fourth proportional to 19,065.21, 26,309.52 and 11,106.90 is: 15,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.21 : 26,309.52 = 11,106.90 : x
  2. Step 2: Convert to fraction form
    19,065.21/26,309.52 = 11,106.90/x
  3. Step 3: Cross multiply
    19,065.21x = 26,309.52 × 11,106.90
  4. Step 4: Simplify right side
    19,065.21x = 292,217,207.69
  5. Step 5: Solve for x
    x = 292,217,207.69/19,065.21
  6. Step 6: Final answer
    x = 15,327.25

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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.