Home / 19,006.32-28,507.26-7,311.36

Finding the Fourth Proportional to 19,006.32, 28,507.26 and 7,311.36

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Solution

The fourth proportional to 19,006.32, 28,507.26 and 7,311.36 is: 10,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.32 : 28,507.26 = 7,311.36 : x
  2. Step 2: Convert to fraction form
    19,006.32/28,507.26 = 7,311.36/x
  3. Step 3: Cross multiply
    19,006.32x = 28,507.26 × 7,311.36
  4. Step 4: Simplify right side
    19,006.32x = 208,426,840.47
  5. Step 5: Solve for x
    x = 208,426,840.47/19,006.32
  6. Step 6: Final answer
    x = 10,966.19

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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.