Home / 44,384.80-66,588.48-13,220.32

Finding the Fourth Proportional to 44,384.80, 66,588.48 and 13,220.32

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Solution

The fourth proportional to 44,384.80, 66,588.48 and 13,220.32 is: 19,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,384.80 : 66,588.48 = 13,220.32 : x
  2. Step 2: Convert to fraction form
    44,384.80/66,588.48 = 13,220.32/x
  3. Step 3: Cross multiply
    44,384.80x = 66,588.48 × 13,220.32
  4. Step 4: Simplify right side
    44,384.80x = 880,321,013.91
  5. Step 5: Solve for x
    x = 880,321,013.91/44,384.80
  6. Step 6: Final answer
    x = 19,833.84

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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.