Home / 19,316.48-28,979.23-5,988.77

Finding the Fourth Proportional to 19,316.48, 28,979.23 and 5,988.77

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Solution

The fourth proportional to 19,316.48, 28,979.23 and 5,988.77 is: 8,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.48 : 28,979.23 = 5,988.77 : x
  2. Step 2: Convert to fraction form
    19,316.48/28,979.23 = 5,988.77/x
  3. Step 3: Cross multiply
    19,316.48x = 28,979.23 × 5,988.77
  4. Step 4: Simplify right side
    19,316.48x = 173,549,943.25
  5. Step 5: Solve for x
    x = 173,549,943.25/19,316.48
  6. Step 6: Final answer
    x = 8,984.55

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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.