Home / 13,908.48-19,195.08-7,941.05

Finding the Fourth Proportional to 13,908.48, 19,195.08 and 7,941.05

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Solution

The fourth proportional to 13,908.48, 19,195.08 and 7,941.05 is: 10,959.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908.48 : 19,195.08 = 7,941.05 : x
  2. Step 2: Convert to fraction form
    13,908.48/19,195.08 = 7,941.05/x
  3. Step 3: Cross multiply
    13,908.48x = 19,195.08 × 7,941.05
  4. Step 4: Simplify right side
    13,908.48x = 152,429,113.51
  5. Step 5: Solve for x
    x = 152,429,113.51/13,908.48
  6. Step 6: Final answer
    x = 10,959.43

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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.