Home / 15,878.13-23,818.19-5,347.29

Finding the Fourth Proportional to 15,878.13, 23,818.19 and 5,347.29

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Solution

The fourth proportional to 15,878.13, 23,818.19 and 5,347.29 is: 8,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.13 : 23,818.19 = 5,347.29 : x
  2. Step 2: Convert to fraction form
    15,878.13/23,818.19 = 5,347.29/x
  3. Step 3: Cross multiply
    15,878.13x = 23,818.19 × 5,347.29
  4. Step 4: Simplify right side
    15,878.13x = 127,362,769.21
  5. Step 5: Solve for x
    x = 127,362,769.21/15,878.13
  6. Step 6: Final answer
    x = 8,021.27

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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.