Home / 15,632.64-21,573.28-8,559.04

Finding the Fourth Proportional to 15,632.64, 21,573.28 and 8,559.04

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Solution

The fourth proportional to 15,632.64, 21,573.28 and 8,559.04 is: 11,811.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.64 : 21,573.28 = 8,559.04 : x
  2. Step 2: Convert to fraction form
    15,632.64/21,573.28 = 8,559.04/x
  3. Step 3: Cross multiply
    15,632.64x = 21,573.28 × 8,559.04
  4. Step 4: Simplify right side
    15,632.64x = 184,646,566.45
  5. Step 5: Solve for x
    x = 184,646,566.45/15,632.64
  6. Step 6: Final answer
    x = 11,811.60

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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.