Home / 14,486.86-20,008.32-9,762.94

Finding the Fourth Proportional to 14,486.86, 20,008.32 and 9,762.94

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Solution

The fourth proportional to 14,486.86, 20,008.32 and 9,762.94 is: 13,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.86 : 20,008.32 = 9,762.94 : x
  2. Step 2: Convert to fraction form
    14,486.86/20,008.32 = 9,762.94/x
  3. Step 3: Cross multiply
    14,486.86x = 20,008.32 × 9,762.94
  4. Step 4: Simplify right side
    14,486.86x = 195,340,027.66
  5. Step 5: Solve for x
    x = 195,340,027.66/14,486.86
  6. Step 6: Final answer
    x = 13,483.95

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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.