Home / 47,064.63-70,589.64-13,776.87

Finding the Fourth Proportional to 47,064.63, 70,589.64 and 13,776.87

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Solution

The fourth proportional to 47,064.63, 70,589.64 and 13,776.87 is: 20,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,064.63 : 70,589.64 = 13,776.87 : x
  2. Step 2: Convert to fraction form
    47,064.63/70,589.64 = 13,776.87/x
  3. Step 3: Cross multiply
    47,064.63x = 70,589.64 × 13,776.87
  4. Step 4: Simplify right side
    47,064.63x = 972,504,293.63
  5. Step 5: Solve for x
    x = 972,504,293.63/47,064.63
  6. Step 6: Final answer
    x = 20,663.17

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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.