Home / 12,403.37-18,572.76-9,747.70

Finding the Fourth Proportional to 12,403.37, 18,572.76 and 9,747.70

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Solution

The fourth proportional to 12,403.37, 18,572.76 and 9,747.70 is: 14,596.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.37 : 18,572.76 = 9,747.70 : x
  2. Step 2: Convert to fraction form
    12,403.37/18,572.76 = 9,747.70/x
  3. Step 3: Cross multiply
    12,403.37x = 18,572.76 × 9,747.70
  4. Step 4: Simplify right side
    12,403.37x = 181,041,618.16
  5. Step 5: Solve for x
    x = 181,041,618.16/12,403.37
  6. Step 6: Final answer
    x = 14,596.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.