Home / 19,187.43-26,480.59-10,690.93

Finding the Fourth Proportional to 19,187.43, 26,480.59 and 10,690.93

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Solution

The fourth proportional to 19,187.43, 26,480.59 and 10,690.93 is: 14,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.43 : 26,480.59 = 10,690.93 : x
  2. Step 2: Convert to fraction form
    19,187.43/26,480.59 = 10,690.93/x
  3. Step 3: Cross multiply
    19,187.43x = 26,480.59 × 10,690.93
  4. Step 4: Simplify right side
    19,187.43x = 283,102,080.59
  5. Step 5: Solve for x
    x = 283,102,080.59/19,187.43
  6. Step 6: Final answer
    x = 14,754.56

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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.