Home / 19,441.12-29,166.72-5,590.24

Finding the Fourth Proportional to 19,441.12, 29,166.72 and 5,590.24

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Solution

The fourth proportional to 19,441.12, 29,166.72 and 5,590.24 is: 8,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,441.12 : 29,166.72 = 5,590.24 : x
  2. Step 2: Convert to fraction form
    19,441.12/29,166.72 = 5,590.24/x
  3. Step 3: Cross multiply
    19,441.12x = 29,166.72 × 5,590.24
  4. Step 4: Simplify right side
    19,441.12x = 163,048,964.81
  5. Step 5: Solve for x
    x = 163,048,964.81/19,441.12
  6. Step 6: Final answer
    x = 8,386.81

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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.