Home / 19,399.72-26,770.02-11,017.48

Finding the Fourth Proportional to 19,399.72, 26,770.02 and 11,017.48

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Solution

The fourth proportional to 19,399.72, 26,770.02 and 11,017.48 is: 15,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.72 : 26,770.02 = 11,017.48 : x
  2. Step 2: Convert to fraction form
    19,399.72/26,770.02 = 11,017.48/x
  3. Step 3: Cross multiply
    19,399.72x = 26,770.02 × 11,017.48
  4. Step 4: Simplify right side
    19,399.72x = 294,938,159.95
  5. Step 5: Solve for x
    x = 294,938,159.95/19,399.72
  6. Step 6: Final answer
    x = 15,203.22

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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.