Home / 15,890.20-23,827.72-5,888.08

Finding the Fourth Proportional to 15,890.20, 23,827.72 and 5,888.08

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Solution

The fourth proportional to 15,890.20, 23,827.72 and 5,888.08 is: 8,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,890.20 : 23,827.72 = 5,888.08 : x
  2. Step 2: Convert to fraction form
    15,890.20/23,827.72 = 5,888.08/x
  3. Step 3: Cross multiply
    15,890.20x = 23,827.72 × 5,888.08
  4. Step 4: Simplify right side
    15,890.20x = 140,299,521.58
  5. Step 5: Solve for x
    x = 140,299,521.58/15,890.20
  6. Step 6: Final answer
    x = 8,829.31

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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.