Home / 23,210.89-32,031.60-12,600.49

Finding the Fourth Proportional to 23,210.89, 32,031.60 and 12,600.49

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Solution

The fourth proportional to 23,210.89, 32,031.60 and 12,600.49 is: 17,388.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,210.89 : 32,031.60 = 12,600.49 : x
  2. Step 2: Convert to fraction form
    23,210.89/32,031.60 = 12,600.49/x
  3. Step 3: Cross multiply
    23,210.89x = 32,031.60 × 12,600.49
  4. Step 4: Simplify right side
    23,210.89x = 403,613,855.48
  5. Step 5: Solve for x
    x = 403,613,855.48/23,210.89
  6. Step 6: Final answer
    x = 17,388.99

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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.