Home / 13,818.06-19,069.02-7,530.48

Finding the Fourth Proportional to 13,818.06, 19,069.02 and 7,530.48

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Solution

The fourth proportional to 13,818.06, 19,069.02 and 7,530.48 is: 10,392.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.06 : 19,069.02 = 7,530.48 : x
  2. Step 2: Convert to fraction form
    13,818.06/19,069.02 = 7,530.48/x
  3. Step 3: Cross multiply
    13,818.06x = 19,069.02 × 7,530.48
  4. Step 4: Simplify right side
    13,818.06x = 143,598,873.73
  5. Step 5: Solve for x
    x = 143,598,873.73/13,818.06
  6. Step 6: Final answer
    x = 10,392.12

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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.