Home / 14,263.10-21,403.85-7,693.86

Finding the Fourth Proportional to 14,263.10, 21,403.85 and 7,693.86

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Solution

The fourth proportional to 14,263.10, 21,403.85 and 7,693.86 is: 11,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.10 : 21,403.85 = 7,693.86 : x
  2. Step 2: Convert to fraction form
    14,263.10/21,403.85 = 7,693.86/x
  3. Step 3: Cross multiply
    14,263.10x = 21,403.85 × 7,693.86
  4. Step 4: Simplify right side
    14,263.10x = 164,678,186.89
  5. Step 5: Solve for x
    x = 164,678,186.89/14,263.10
  6. Step 6: Final answer
    x = 11,545.75

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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.