Home / 19,590.69-29,388.11-6,259.02

Finding the Fourth Proportional to 19,590.69, 29,388.11 and 6,259.02

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Solution

The fourth proportional to 19,590.69, 29,388.11 and 6,259.02 is: 9,389.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.69 : 29,388.11 = 6,259.02 : x
  2. Step 2: Convert to fraction form
    19,590.69/29,388.11 = 6,259.02/x
  3. Step 3: Cross multiply
    19,590.69x = 29,388.11 × 6,259.02
  4. Step 4: Simplify right side
    19,590.69x = 183,940,768.25
  5. Step 5: Solve for x
    x = 183,940,768.25/19,590.69
  6. Step 6: Final answer
    x = 9,389.19

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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.