Home / 28,192.02-38,886.23-18,133.19

Finding the Fourth Proportional to 28,192.02, 38,886.23 and 18,133.19

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Solution

The fourth proportional to 28,192.02, 38,886.23 and 18,133.19 is: 25,011.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192.02 : 38,886.23 = 18,133.19 : x
  2. Step 2: Convert to fraction form
    28,192.02/38,886.23 = 18,133.19/x
  3. Step 3: Cross multiply
    28,192.02x = 38,886.23 × 18,133.19
  4. Step 4: Simplify right side
    28,192.02x = 705,131,396.97
  5. Step 5: Solve for x
    x = 705,131,396.97/28,192.02
  6. Step 6: Final answer
    x = 25,011.74

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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.