Home / 18,501.18-25,534.12-10,436.49

Finding the Fourth Proportional to 18,501.18, 25,534.12 and 10,436.49

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Solution

The fourth proportional to 18,501.18, 25,534.12 and 10,436.49 is: 14,403.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.18 : 25,534.12 = 10,436.49 : x
  2. Step 2: Convert to fraction form
    18,501.18/25,534.12 = 10,436.49/x
  3. Step 3: Cross multiply
    18,501.18x = 25,534.12 × 10,436.49
  4. Step 4: Simplify right side
    18,501.18x = 266,486,460.37
  5. Step 5: Solve for x
    x = 266,486,460.37/18,501.18
  6. Step 6: Final answer
    x = 14,403.76

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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.