Home / 44,318.64-66,462.63-12,720.14

Finding the Fourth Proportional to 44,318.64, 66,462.63 and 12,720.14

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Solution

The fourth proportional to 44,318.64, 66,462.63 and 12,720.14 is: 19,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,318.64 : 66,462.63 = 12,720.14 : x
  2. Step 2: Convert to fraction form
    44,318.64/66,462.63 = 12,720.14/x
  3. Step 3: Cross multiply
    44,318.64x = 66,462.63 × 12,720.14
  4. Step 4: Simplify right side
    44,318.64x = 845,413,827.59
  5. Step 5: Solve for x
    x = 845,413,827.59/44,318.64
  6. Step 6: Final answer
    x = 19,075.81

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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.