Home / 17,683.29-26,538.57-12,136.50

Finding the Fourth Proportional to 17,683.29, 26,538.57 and 12,136.50

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Solution

The fourth proportional to 17,683.29, 26,538.57 and 12,136.50 is: 18,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,683.29 : 26,538.57 = 12,136.50 : x
  2. Step 2: Convert to fraction form
    17,683.29/26,538.57 = 12,136.50/x
  3. Step 3: Cross multiply
    17,683.29x = 26,538.57 × 12,136.50
  4. Step 4: Simplify right side
    17,683.29x = 322,085,354.81
  5. Step 5: Solve for x
    x = 322,085,354.81/17,683.29
  6. Step 6: Final answer
    x = 18,214.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.