Home / 13,355.20-20,036.08-4,590.24

Finding the Fourth Proportional to 13,355.20, 20,036.08 and 4,590.24

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Solution

The fourth proportional to 13,355.20, 20,036.08 and 4,590.24 is: 6,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.20 : 20,036.08 = 4,590.24 : x
  2. Step 2: Convert to fraction form
    13,355.20/20,036.08 = 4,590.24/x
  3. Step 3: Cross multiply
    13,355.20x = 20,036.08 × 4,590.24
  4. Step 4: Simplify right side
    13,355.20x = 91,970,415.86
  5. Step 5: Solve for x
    x = 91,970,415.86/13,355.20
  6. Step 6: Final answer
    x = 6,886.49

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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.