Home / 13,131.95-19,701.56-7,292.66

Finding the Fourth Proportional to 13,131.95, 19,701.56 and 7,292.66

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Solution

The fourth proportional to 13,131.95, 19,701.56 and 7,292.66 is: 10,941.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.95 : 19,701.56 = 7,292.66 : x
  2. Step 2: Convert to fraction form
    13,131.95/19,701.56 = 7,292.66/x
  3. Step 3: Cross multiply
    13,131.95x = 19,701.56 × 7,292.66
  4. Step 4: Simplify right side
    13,131.95x = 143,676,698.27
  5. Step 5: Solve for x
    x = 143,676,698.27/13,131.95
  6. Step 6: Final answer
    x = 10,941.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.