Home / 15,347.49-23,021.67-5,987.13

Finding the Fourth Proportional to 15,347.49, 23,021.67 and 5,987.13

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Solution

The fourth proportional to 15,347.49, 23,021.67 and 5,987.13 is: 8,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.49 : 23,021.67 = 5,987.13 : x
  2. Step 2: Convert to fraction form
    15,347.49/23,021.67 = 5,987.13/x
  3. Step 3: Cross multiply
    15,347.49x = 23,021.67 × 5,987.13
  4. Step 4: Simplify right side
    15,347.49x = 137,833,731.11
  5. Step 5: Solve for x
    x = 137,833,731.11/15,347.49
  6. Step 6: Final answer
    x = 8,980.86

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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.