Home / 14,331.51-19,792.49-9,866.79

Finding the Fourth Proportional to 14,331.51, 19,792.49 and 9,866.79

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Solution

The fourth proportional to 14,331.51, 19,792.49 and 9,866.79 is: 13,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.51 : 19,792.49 = 9,866.79 : x
  2. Step 2: Convert to fraction form
    14,331.51/19,792.49 = 9,866.79/x
  3. Step 3: Cross multiply
    14,331.51x = 19,792.49 × 9,866.79
  4. Step 4: Simplify right side
    14,331.51x = 195,288,293.07
  5. Step 5: Solve for x
    x = 195,288,293.07/14,331.51
  6. Step 6: Final answer
    x = 13,626.50

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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.