Home / 19,477.59-29,242.32-13,173.65

Finding the Fourth Proportional to 19,477.59, 29,242.32 and 13,173.65

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Solution

The fourth proportional to 19,477.59, 29,242.32 and 13,173.65 is: 19,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.59 : 29,242.32 = 13,173.65 : x
  2. Step 2: Convert to fraction form
    19,477.59/29,242.32 = 13,173.65/x
  3. Step 3: Cross multiply
    19,477.59x = 29,242.32 × 13,173.65
  4. Step 4: Simplify right side
    19,477.59x = 385,228,088.87
  5. Step 5: Solve for x
    x = 385,228,088.87/19,477.59
  6. Step 6: Final answer
    x = 19,778.02

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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.