Home / 20,492.98-28,393.75-20,050.18

Finding the Fourth Proportional to 20,492.98, 28,393.75 and 20,050.18

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Solution

The fourth proportional to 20,492.98, 28,393.75 and 20,050.18 is: 27,780.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,492.98 : 28,393.75 = 20,050.18 : x
  2. Step 2: Convert to fraction form
    20,492.98/28,393.75 = 20,050.18/x
  3. Step 3: Cross multiply
    20,492.98x = 28,393.75 × 20,050.18
  4. Step 4: Simplify right side
    20,492.98x = 569,299,798.38
  5. Step 5: Solve for x
    x = 569,299,798.38/20,492.98
  6. Step 6: Final answer
    x = 27,780.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.