Home / 14,773.29-20,386.67-8,400.58

Finding the Fourth Proportional to 14,773.29, 20,386.67 and 8,400.58

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Solution

The fourth proportional to 14,773.29, 20,386.67 and 8,400.58 is: 11,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,773.29 : 20,386.67 = 8,400.58 : x
  2. Step 2: Convert to fraction form
    14,773.29/20,386.67 = 8,400.58/x
  3. Step 3: Cross multiply
    14,773.29x = 20,386.67 × 8,400.58
  4. Step 4: Simplify right side
    14,773.29x = 171,259,784.08
  5. Step 5: Solve for x
    x = 171,259,784.08/14,773.29
  6. Step 6: Final answer
    x = 11,592.53

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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.