Home / 19,530.99-26,954.10-11,030.18

Finding the Fourth Proportional to 19,530.99, 26,954.10 and 11,030.18

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Solution

The fourth proportional to 19,530.99, 26,954.10 and 11,030.18 is: 15,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.99 : 26,954.10 = 11,030.18 : x
  2. Step 2: Convert to fraction form
    19,530.99/26,954.10 = 11,030.18/x
  3. Step 3: Cross multiply
    19,530.99x = 26,954.10 × 11,030.18
  4. Step 4: Simplify right side
    19,530.99x = 297,308,439.97
  5. Step 5: Solve for x
    x = 297,308,439.97/19,530.99
  6. Step 6: Final answer
    x = 15,222.39

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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.