Home / 14,331.59-19,776.70-7,957.81

Finding the Fourth Proportional to 14,331.59, 19,776.70 and 7,957.81

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Solution

The fourth proportional to 14,331.59, 19,776.70 and 7,957.81 is: 10,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.59 : 19,776.70 = 7,957.81 : x
  2. Step 2: Convert to fraction form
    14,331.59/19,776.70 = 7,957.81/x
  3. Step 3: Cross multiply
    14,331.59x = 19,776.70 × 7,957.81
  4. Step 4: Simplify right side
    14,331.59x = 157,379,221.03
  5. Step 5: Solve for x
    x = 157,379,221.03/14,331.59
  6. Step 6: Final answer
    x = 10,981.28

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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.