Home / 23,602.09-32,570.85-12,991.66

Finding the Fourth Proportional to 23,602.09, 32,570.85 and 12,991.66

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Solution

The fourth proportional to 23,602.09, 32,570.85 and 12,991.66 is: 17,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,602.09 : 32,570.85 = 12,991.66 : x
  2. Step 2: Convert to fraction form
    23,602.09/32,570.85 = 12,991.66/x
  3. Step 3: Cross multiply
    23,602.09x = 32,570.85 × 12,991.66
  4. Step 4: Simplify right side
    23,602.09x = 423,149,409.11
  5. Step 5: Solve for x
    x = 423,149,409.11/23,602.09
  6. Step 6: Final answer
    x = 17,928.47

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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.