Home / 18,633.43-25,714.71-10,136.17

Finding the Fourth Proportional to 18,633.43, 25,714.71 and 10,136.17

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Solution

The fourth proportional to 18,633.43, 25,714.71 and 10,136.17 is: 13,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.43 : 25,714.71 = 10,136.17 : x
  2. Step 2: Convert to fraction form
    18,633.43/25,714.71 = 10,136.17/x
  3. Step 3: Cross multiply
    18,633.43x = 25,714.71 × 10,136.17
  4. Step 4: Simplify right side
    18,633.43x = 260,648,492.81
  5. Step 5: Solve for x
    x = 260,648,492.81/18,633.43
  6. Step 6: Final answer
    x = 13,988.22

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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.