Home / 55,633.10-83,448.90-13,513.50

Finding the Fourth Proportional to 55,633.10, 83,448.90 and 13,513.50

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Solution

The fourth proportional to 55,633.10, 83,448.90 and 13,513.50 is: 20,270.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,633.10 : 83,448.90 = 13,513.50 : x
  2. Step 2: Convert to fraction form
    55,633.10/83,448.90 = 13,513.50/x
  3. Step 3: Cross multiply
    55,633.10x = 83,448.90 × 13,513.50
  4. Step 4: Simplify right side
    55,633.10x = 1,127,686,710.15
  5. Step 5: Solve for x
    x = 1,127,686,710.15/55,633.10
  6. Step 6: Final answer
    x = 20,270.07

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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.