Home / 19,529.12-29,298.48-5,678.24

Finding the Fourth Proportional to 19,529.12, 29,298.48 and 5,678.24

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Solution

The fourth proportional to 19,529.12, 29,298.48 and 5,678.24 is: 8,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.12 : 29,298.48 = 5,678.24 : x
  2. Step 2: Convert to fraction form
    19,529.12/29,298.48 = 5,678.24/x
  3. Step 3: Cross multiply
    19,529.12x = 29,298.48 × 5,678.24
  4. Step 4: Simplify right side
    19,529.12x = 166,363,801.08
  5. Step 5: Solve for x
    x = 166,363,801.08/19,529.12
  6. Step 6: Final answer
    x = 8,518.76

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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.