Home / 13,055.58-19,578.51-6,484.86

Finding the Fourth Proportional to 13,055.58, 19,578.51 and 6,484.86

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Solution

The fourth proportional to 13,055.58, 19,578.51 and 6,484.86 is: 9,724.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.58 : 19,578.51 = 6,484.86 : x
  2. Step 2: Convert to fraction form
    13,055.58/19,578.51 = 6,484.86/x
  3. Step 3: Cross multiply
    13,055.58x = 19,578.51 × 6,484.86
  4. Step 4: Simplify right side
    13,055.58x = 126,963,896.36
  5. Step 5: Solve for x
    x = 126,963,896.36/13,055.58
  6. Step 6: Final answer
    x = 9,724.88

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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.