Home / 19,118.72-28,681.68-5,967.92

Finding the Fourth Proportional to 19,118.72, 28,681.68 and 5,967.92

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Solution

The fourth proportional to 19,118.72, 28,681.68 and 5,967.92 is: 8,953.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.72 : 28,681.68 = 5,967.92 : x
  2. Step 2: Convert to fraction form
    19,118.72/28,681.68 = 5,967.92/x
  3. Step 3: Cross multiply
    19,118.72x = 28,681.68 × 5,967.92
  4. Step 4: Simplify right side
    19,118.72x = 171,169,971.71
  5. Step 5: Solve for x
    x = 171,169,971.71/19,118.72
  6. Step 6: Final answer
    x = 8,953.00

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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.