Home / 19,488.28-26,893.81-10,535.78

Finding the Fourth Proportional to 19,488.28, 26,893.81 and 10,535.78

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Solution

The fourth proportional to 19,488.28, 26,893.81 and 10,535.78 is: 14,539.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.28 : 26,893.81 = 10,535.78 : x
  2. Step 2: Convert to fraction form
    19,488.28/26,893.81 = 10,535.78/x
  3. Step 3: Cross multiply
    19,488.28x = 26,893.81 × 10,535.78
  4. Step 4: Simplify right side
    19,488.28x = 283,347,212.84
  5. Step 5: Solve for x
    x = 283,347,212.84/19,488.28
  6. Step 6: Final answer
    x = 14,539.37

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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.