Home / 18,813.96-25,962.87-10,430.46

Finding the Fourth Proportional to 18,813.96, 25,962.87 and 10,430.46

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Solution

The fourth proportional to 18,813.96, 25,962.87 and 10,430.46 is: 14,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813.96 : 25,962.87 = 10,430.46 : x
  2. Step 2: Convert to fraction form
    18,813.96/25,962.87 = 10,430.46/x
  3. Step 3: Cross multiply
    18,813.96x = 25,962.87 × 10,430.46
  4. Step 4: Simplify right side
    18,813.96x = 270,804,677.02
  5. Step 5: Solve for x
    x = 270,804,677.02/18,813.96
  6. Step 6: Final answer
    x = 14,393.82

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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.