Home / 30,008.94-45,023.13-14,424.54

Finding the Fourth Proportional to 30,008.94, 45,023.13 and 14,424.54

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Solution

The fourth proportional to 30,008.94, 45,023.13 and 14,424.54 is: 21,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.94 : 45,023.13 = 14,424.54 : x
  2. Step 2: Convert to fraction form
    30,008.94/45,023.13 = 14,424.54/x
  3. Step 3: Cross multiply
    30,008.94x = 45,023.13 × 14,424.54
  4. Step 4: Simplify right side
    30,008.94x = 649,437,939.61
  5. Step 5: Solve for x
    x = 649,437,939.61/30,008.94
  6. Step 6: Final answer
    x = 21,641.48

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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.