Home / 18,487.95-25,513.37-10,104.45

Finding the Fourth Proportional to 18,487.95, 25,513.37 and 10,104.45

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Solution

The fourth proportional to 18,487.95, 25,513.37 and 10,104.45 is: 13,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487.95 : 25,513.37 = 10,104.45 : x
  2. Step 2: Convert to fraction form
    18,487.95/25,513.37 = 10,104.45/x
  3. Step 3: Cross multiply
    18,487.95x = 25,513.37 × 10,104.45
  4. Step 4: Simplify right side
    18,487.95x = 257,798,393.41
  5. Step 5: Solve for x
    x = 257,798,393.41/18,487.95
  6. Step 6: Final answer
    x = 13,944.13

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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.