Home / 14,051.96-21,088.32-6,656.42

Finding the Fourth Proportional to 14,051.96, 21,088.32 and 6,656.42

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Solution

The fourth proportional to 14,051.96, 21,088.32 and 6,656.42 is: 9,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.96 : 21,088.32 = 6,656.42 : x
  2. Step 2: Convert to fraction form
    14,051.96/21,088.32 = 6,656.42/x
  3. Step 3: Cross multiply
    14,051.96x = 21,088.32 × 6,656.42
  4. Step 4: Simplify right side
    14,051.96x = 140,372,715.01
  5. Step 5: Solve for x
    x = 140,372,715.01/14,051.96
  6. Step 6: Final answer
    x = 9,989.55

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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.