Home / 44,355.81-66,513.66-12,758.64

Finding the Fourth Proportional to 44,355.81, 66,513.66 and 12,758.64

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Solution

The fourth proportional to 44,355.81, 66,513.66 and 12,758.64 is: 19,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,355.81 : 66,513.66 = 12,758.64 : x
  2. Step 2: Convert to fraction form
    44,355.81/66,513.66 = 12,758.64/x
  3. Step 3: Cross multiply
    44,355.81x = 66,513.66 × 12,758.64
  4. Step 4: Simplify right side
    44,355.81x = 848,623,843.02
  5. Step 5: Solve for x
    x = 848,623,843.02/44,355.81
  6. Step 6: Final answer
    x = 19,132.19

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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.