Home / 15,556.32-21,468.24-8,483.13

Finding the Fourth Proportional to 15,556.32, 21,468.24 and 8,483.13

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Solution

The fourth proportional to 15,556.32, 21,468.24 and 8,483.13 is: 11,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.32 : 21,468.24 = 8,483.13 : x
  2. Step 2: Convert to fraction form
    15,556.32/21,468.24 = 8,483.13/x
  3. Step 3: Cross multiply
    15,556.32x = 21,468.24 × 8,483.13
  4. Step 4: Simplify right side
    15,556.32x = 182,117,870.79
  5. Step 5: Solve for x
    x = 182,117,870.79/15,556.32
  6. Step 6: Final answer
    x = 11,707.00

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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.