Home / 19,359.32-29,013.46-7,666.16

Finding the Fourth Proportional to 19,359.32, 29,013.46 and 7,666.16

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Solution

The fourth proportional to 19,359.32, 29,013.46 and 7,666.16 is: 11,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.32 : 29,013.46 = 7,666.16 : x
  2. Step 2: Convert to fraction form
    19,359.32/29,013.46 = 7,666.16/x
  3. Step 3: Cross multiply
    19,359.32x = 29,013.46 × 7,666.16
  4. Step 4: Simplify right side
    19,359.32x = 222,421,662.28
  5. Step 5: Solve for x
    x = 222,421,662.28/19,359.32
  6. Step 6: Final answer
    x = 11,489.13

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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.