Home / 19,080.36-26,332.57-11,122.42

Finding the Fourth Proportional to 19,080.36, 26,332.57 and 11,122.42

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Solution

The fourth proportional to 19,080.36, 26,332.57 and 11,122.42 is: 15,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.36 : 26,332.57 = 11,122.42 : x
  2. Step 2: Convert to fraction form
    19,080.36/26,332.57 = 11,122.42/x
  3. Step 3: Cross multiply
    19,080.36x = 26,332.57 × 11,122.42
  4. Step 4: Simplify right side
    19,080.36x = 292,881,903.22
  5. Step 5: Solve for x
    x = 292,881,903.22/19,080.36
  6. Step 6: Final answer
    x = 15,349.91

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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.