Home / 47,504.07-71,260.16-12,443.63

Finding the Fourth Proportional to 47,504.07, 71,260.16 and 12,443.63

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Solution

The fourth proportional to 47,504.07, 71,260.16 and 12,443.63 is: 18,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,504.07 : 71,260.16 = 12,443.63 : x
  2. Step 2: Convert to fraction form
    47,504.07/71,260.16 = 12,443.63/x
  3. Step 3: Cross multiply
    47,504.07x = 71,260.16 × 12,443.63
  4. Step 4: Simplify right side
    47,504.07x = 886,734,646.26
  5. Step 5: Solve for x
    x = 886,734,646.26/47,504.07
  6. Step 6: Final answer
    x = 18,666.50

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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.