Home / 23,182.08-31,990.99-12,571.59

Finding the Fourth Proportional to 23,182.08, 31,990.99 and 12,571.59

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Solution

The fourth proportional to 23,182.08, 31,990.99 and 12,571.59 is: 17,348.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,182.08 : 31,990.99 = 12,571.59 : x
  2. Step 2: Convert to fraction form
    23,182.08/31,990.99 = 12,571.59/x
  3. Step 3: Cross multiply
    23,182.08x = 31,990.99 × 12,571.59
  4. Step 4: Simplify right side
    23,182.08x = 402,177,547.12
  5. Step 5: Solve for x
    x = 402,177,547.12/23,182.08
  6. Step 6: Final answer
    x = 17,348.64

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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.