Home / 14,064.30-19,375.76-9,807.60

Finding the Fourth Proportional to 14,064.30, 19,375.76 and 9,807.60

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Solution

The fourth proportional to 14,064.30, 19,375.76 and 9,807.60 is: 13,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.30 : 19,375.76 = 9,807.60 : x
  2. Step 2: Convert to fraction form
    14,064.30/19,375.76 = 9,807.60/x
  3. Step 3: Cross multiply
    14,064.30x = 19,375.76 × 9,807.60
  4. Step 4: Simplify right side
    14,064.30x = 190,029,703.78
  5. Step 5: Solve for x
    x = 190,029,703.78/14,064.30
  6. Step 6: Final answer
    x = 13,511.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.