Home / 14,019.96-19,346.32-8,051.28

Finding the Fourth Proportional to 14,019.96, 19,346.32 and 8,051.28

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Solution

The fourth proportional to 14,019.96, 19,346.32 and 8,051.28 is: 11,110.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.96 : 19,346.32 = 8,051.28 : x
  2. Step 2: Convert to fraction form
    14,019.96/19,346.32 = 8,051.28/x
  3. Step 3: Cross multiply
    14,019.96x = 19,346.32 × 8,051.28
  4. Step 4: Simplify right side
    14,019.96x = 155,762,639.29
  5. Step 5: Solve for x
    x = 155,762,639.29/14,019.96
  6. Step 6: Final answer
    x = 11,110.06

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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.