Home / 55,995.73-83,991.49-13,875.93

Finding the Fourth Proportional to 55,995.73, 83,991.49 and 13,875.93

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Solution

The fourth proportional to 55,995.73, 83,991.49 and 13,875.93 is: 20,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,995.73 : 83,991.49 = 13,875.93 : x
  2. Step 2: Convert to fraction form
    55,995.73/83,991.49 = 13,875.93/x
  3. Step 3: Cross multiply
    55,995.73x = 83,991.49 × 13,875.93
  4. Step 4: Simplify right side
    55,995.73x = 1,165,460,001.15
  5. Step 5: Solve for x
    x = 1,165,460,001.15/55,995.73
  6. Step 6: Final answer
    x = 20,813.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.