Home / 19,008.48-28,502.28-5,857.20

Finding the Fourth Proportional to 19,008.48, 28,502.28 and 5,857.20

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Solution

The fourth proportional to 19,008.48, 28,502.28 and 5,857.20 is: 8,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.48 : 28,502.28 = 5,857.20 : x
  2. Step 2: Convert to fraction form
    19,008.48/28,502.28 = 5,857.20/x
  3. Step 3: Cross multiply
    19,008.48x = 28,502.28 × 5,857.20
  4. Step 4: Simplify right side
    19,008.48x = 166,943,554.42
  5. Step 5: Solve for x
    x = 166,943,554.42/19,008.48
  6. Step 6: Final answer
    x = 8,782.58

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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.