Home / 14,445.86-19,932.93-8,071.36

Finding the Fourth Proportional to 14,445.86, 19,932.93 and 8,071.36

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Solution

The fourth proportional to 14,445.86, 19,932.93 and 8,071.36 is: 11,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.86 : 19,932.93 = 8,071.36 : x
  2. Step 2: Convert to fraction form
    14,445.86/19,932.93 = 8,071.36/x
  3. Step 3: Cross multiply
    14,445.86x = 19,932.93 × 8,071.36
  4. Step 4: Simplify right side
    14,445.86x = 160,885,804.05
  5. Step 5: Solve for x
    x = 160,885,804.05/14,445.86
  6. Step 6: Final answer
    x = 11,137.16

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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.