Home / 19,191.80-26,486.63-10,695.30

Finding the Fourth Proportional to 19,191.80, 26,486.63 and 10,695.30

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Solution

The fourth proportional to 19,191.80, 26,486.63 and 10,695.30 is: 14,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.80 : 26,486.63 = 10,695.30 : x
  2. Step 2: Convert to fraction form
    19,191.80/26,486.63 = 10,695.30/x
  3. Step 3: Cross multiply
    19,191.80x = 26,486.63 × 10,695.30
  4. Step 4: Simplify right side
    19,191.80x = 283,282,400.36
  5. Step 5: Solve for x
    x = 283,282,400.36/19,191.80
  6. Step 6: Final answer
    x = 14,760.60

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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.