Home / 55,625.99-83,438.22-13,506.40

Finding the Fourth Proportional to 55,625.99, 83,438.22 and 13,506.40

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Solution

The fourth proportional to 55,625.99, 83,438.22 and 13,506.40 is: 20,259.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.99 : 83,438.22 = 13,506.40 : x
  2. Step 2: Convert to fraction form
    55,625.99/83,438.22 = 13,506.40/x
  3. Step 3: Cross multiply
    55,625.99x = 83,438.22 × 13,506.40
  4. Step 4: Simplify right side
    55,625.99x = 1,126,949,557.42
  5. Step 5: Solve for x
    x = 1,126,949,557.42/55,625.99
  6. Step 6: Final answer
    x = 20,259.41

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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.