Home / 23,390.09-32,276.63-12,777.47

Finding the Fourth Proportional to 23,390.09, 32,276.63 and 12,777.47

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Solution

The fourth proportional to 23,390.09, 32,276.63 and 12,777.47 is: 17,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,390.09 : 32,276.63 = 12,777.47 : x
  2. Step 2: Convert to fraction form
    23,390.09/32,276.63 = 12,777.47/x
  3. Step 3: Cross multiply
    23,390.09x = 32,276.63 × 12,777.47
  4. Step 4: Simplify right side
    23,390.09x = 412,413,542.09
  5. Step 5: Solve for x
    x = 412,413,542.09/23,390.09
  6. Step 6: Final answer
    x = 17,631.98

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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.