Home / 15,556.04-21,466.87-8,842.40

Finding the Fourth Proportional to 15,556.04, 21,466.87 and 8,842.40

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Solution

The fourth proportional to 15,556.04, 21,466.87 and 8,842.40 is: 12,202.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.04 : 21,466.87 = 8,842.40 : x
  2. Step 2: Convert to fraction form
    15,556.04/21,466.87 = 8,842.40/x
  3. Step 3: Cross multiply
    15,556.04x = 21,466.87 × 8,842.40
  4. Step 4: Simplify right side
    15,556.04x = 189,818,521.85
  5. Step 5: Solve for x
    x = 189,818,521.85/15,556.04
  6. Step 6: Final answer
    x = 12,202.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.