Home / 14,108.96-21,135.96-6,703.22

Finding the Fourth Proportional to 14,108.96, 21,135.96 and 6,703.22

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Solution

The fourth proportional to 14,108.96, 21,135.96 and 6,703.22 is: 10,041.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.96 : 21,135.96 = 6,703.22 : x
  2. Step 2: Convert to fraction form
    14,108.96/21,135.96 = 6,703.22/x
  3. Step 3: Cross multiply
    14,108.96x = 21,135.96 × 6,703.22
  4. Step 4: Simplify right side
    14,108.96x = 141,678,884.11
  5. Step 5: Solve for x
    x = 141,678,884.11/14,108.96
  6. Step 6: Final answer
    x = 10,041.77

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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.