Home / 53,384.04-80,081.52-18,319.14

Finding the Fourth Proportional to 53,384.04, 80,081.52 and 18,319.14

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Solution

The fourth proportional to 53,384.04, 80,081.52 and 18,319.14 is: 27,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,384.04 : 80,081.52 = 18,319.14 : x
  2. Step 2: Convert to fraction form
    53,384.04/80,081.52 = 18,319.14/x
  3. Step 3: Cross multiply
    53,384.04x = 80,081.52 × 18,319.14
  4. Step 4: Simplify right side
    53,384.04x = 1,467,024,576.29
  5. Step 5: Solve for x
    x = 1,467,024,576.29/53,384.04
  6. Step 6: Final answer
    x = 27,480.58

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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.