Home / 15,597.36-21,524.16-8,523.72

Finding the Fourth Proportional to 15,597.36, 21,524.16 and 8,523.72

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Solution

The fourth proportional to 15,597.36, 21,524.16 and 8,523.72 is: 11,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.36 : 21,524.16 = 8,523.72 : x
  2. Step 2: Convert to fraction form
    15,597.36/21,524.16 = 8,523.72/x
  3. Step 3: Cross multiply
    15,597.36x = 21,524.16 × 8,523.72
  4. Step 4: Simplify right side
    15,597.36x = 183,465,913.08
  5. Step 5: Solve for x
    x = 183,465,913.08/15,597.36
  6. Step 6: Final answer
    x = 11,762.63

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Double scale
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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.