Home / 19,924.80-27,495.14-10,970.60

Finding the Fourth Proportional to 19,924.80, 27,495.14 and 10,970.60

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Solution

The fourth proportional to 19,924.80, 27,495.14 and 10,970.60 is: 15,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,924.80 : 27,495.14 = 10,970.60 : x
  2. Step 2: Convert to fraction form
    19,924.80/27,495.14 = 10,970.60/x
  3. Step 3: Cross multiply
    19,924.80x = 27,495.14 × 10,970.60
  4. Step 4: Simplify right side
    19,924.80x = 301,638,182.88
  5. Step 5: Solve for x
    x = 301,638,182.88/19,924.80
  6. Step 6: Final answer
    x = 15,138.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.