Home / 19,334.29-26,679.69-10,720.72

Finding the Fourth Proportional to 19,334.29, 26,679.69 and 10,720.72

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Solution

The fourth proportional to 19,334.29, 26,679.69 and 10,720.72 is: 14,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334.29 : 26,679.69 = 10,720.72 : x
  2. Step 2: Convert to fraction form
    19,334.29/26,679.69 = 10,720.72/x
  3. Step 3: Cross multiply
    19,334.29x = 26,679.69 × 10,720.72
  4. Step 4: Simplify right side
    19,334.29x = 286,025,486.18
  5. Step 5: Solve for x
    x = 286,025,486.18/19,334.29
  6. Step 6: Final answer
    x = 14,793.69

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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.