Home / 19,586.52-29,381.96-7,112.32

Finding the Fourth Proportional to 19,586.52, 29,381.96 and 7,112.32

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Solution

The fourth proportional to 19,586.52, 29,381.96 and 7,112.32 is: 10,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.52 : 29,381.96 = 7,112.32 : x
  2. Step 2: Convert to fraction form
    19,586.52/29,381.96 = 7,112.32/x
  3. Step 3: Cross multiply
    19,586.52x = 29,381.96 × 7,112.32
  4. Step 4: Simplify right side
    19,586.52x = 208,973,901.75
  5. Step 5: Solve for x
    x = 208,973,901.75/19,586.52
  6. Step 6: Final answer
    x = 10,669.27

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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.