Home / 14,827.86-20,464.33-8,456.70

Finding the Fourth Proportional to 14,827.86, 20,464.33 and 8,456.70

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Solution

The fourth proportional to 14,827.86, 20,464.33 and 8,456.70 is: 11,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,827.86 : 20,464.33 = 8,456.70 : x
  2. Step 2: Convert to fraction form
    14,827.86/20,464.33 = 8,456.70/x
  3. Step 3: Cross multiply
    14,827.86x = 20,464.33 × 8,456.70
  4. Step 4: Simplify right side
    14,827.86x = 173,060,699.51
  5. Step 5: Solve for x
    x = 173,060,699.51/14,827.86
  6. Step 6: Final answer
    x = 11,671.32

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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.