Home / 18,813.93-25,963.26-10,430.43

Finding the Fourth Proportional to 18,813.93, 25,963.26 and 10,430.43

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Solution

The fourth proportional to 18,813.93, 25,963.26 and 10,430.43 is: 14,394.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813.93 : 25,963.26 = 10,430.43 : x
  2. Step 2: Convert to fraction form
    18,813.93/25,963.26 = 10,430.43/x
  3. Step 3: Cross multiply
    18,813.93x = 25,963.26 × 10,430.43
  4. Step 4: Simplify right side
    18,813.93x = 270,807,966.00
  5. Step 5: Solve for x
    x = 270,807,966.00/18,813.93
  6. Step 6: Final answer
    x = 14,394.01

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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.