Home / 19,854.93-27,400.23-10,903.01

Finding the Fourth Proportional to 19,854.93, 27,400.23 and 10,903.01

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Solution

The fourth proportional to 19,854.93, 27,400.23 and 10,903.01 is: 15,046.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.93 : 27,400.23 = 10,903.01 : x
  2. Step 2: Convert to fraction form
    19,854.93/27,400.23 = 10,903.01/x
  3. Step 3: Cross multiply
    19,854.93x = 27,400.23 × 10,903.01
  4. Step 4: Simplify right side
    19,854.93x = 298,744,981.69
  5. Step 5: Solve for x
    x = 298,744,981.69/19,854.93
  6. Step 6: Final answer
    x = 15,046.39

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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.