Home / 17,878.28-24,672.47-9,812.30

Finding the Fourth Proportional to 17,878.28, 24,672.47 and 9,812.30

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Solution

The fourth proportional to 17,878.28, 24,672.47 and 9,812.30 is: 13,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,878.28 : 24,672.47 = 9,812.30 : x
  2. Step 2: Convert to fraction form
    17,878.28/24,672.47 = 9,812.30/x
  3. Step 3: Cross multiply
    17,878.28x = 24,672.47 × 9,812.30
  4. Step 4: Simplify right side
    17,878.28x = 242,093,504.96
  5. Step 5: Solve for x
    x = 242,093,504.96/17,878.28
  6. Step 6: Final answer
    x = 13,541.21

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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.