Home / 19,334.70-26,681.67-10,720.89

Finding the Fourth Proportional to 19,334.70, 26,681.67 and 10,720.89

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Solution

The fourth proportional to 19,334.70, 26,681.67 and 10,720.89 is: 14,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334.70 : 26,681.67 = 10,720.89 : x
  2. Step 2: Convert to fraction form
    19,334.70/26,681.67 = 10,720.89/x
  3. Step 3: Cross multiply
    19,334.70x = 26,681.67 × 10,720.89
  4. Step 4: Simplify right side
    19,334.70x = 286,051,249.09
  5. Step 5: Solve for x
    x = 286,051,249.09/19,334.70
  6. Step 6: Final answer
    x = 14,794.71

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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.