Home / 19,172.35-26,457.19-10,787.23

Finding the Fourth Proportional to 19,172.35, 26,457.19 and 10,787.23

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Solution

The fourth proportional to 19,172.35, 26,457.19 and 10,787.23 is: 14,886.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.35 : 26,457.19 = 10,787.23 : x
  2. Step 2: Convert to fraction form
    19,172.35/26,457.19 = 10,787.23/x
  3. Step 3: Cross multiply
    19,172.35x = 26,457.19 × 10,787.23
  4. Step 4: Simplify right side
    19,172.35x = 285,399,793.68
  5. Step 5: Solve for x
    x = 285,399,793.68/19,172.35
  6. Step 6: Final answer
    x = 14,886.01

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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.