Home / 14,328.78-19,773.63-8,359.98

Finding the Fourth Proportional to 14,328.78, 19,773.63 and 8,359.98

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Solution

The fourth proportional to 14,328.78, 19,773.63 and 8,359.98 is: 11,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.78 : 19,773.63 = 8,359.98 : x
  2. Step 2: Convert to fraction form
    14,328.78/19,773.63 = 8,359.98/x
  3. Step 3: Cross multiply
    14,328.78x = 19,773.63 × 8,359.98
  4. Step 4: Simplify right side
    14,328.78x = 165,307,151.33
  5. Step 5: Solve for x
    x = 165,307,151.33/14,328.78
  6. Step 6: Final answer
    x = 11,536.72

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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.