Home / 18,136.24-25,038.43-12,084.89

Finding the Fourth Proportional to 18,136.24, 25,038.43 and 12,084.89

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Solution

The fourth proportional to 18,136.24, 25,038.43 and 12,084.89 is: 16,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,136.24 : 25,038.43 = 12,084.89 : x
  2. Step 2: Convert to fraction form
    18,136.24/25,038.43 = 12,084.89/x
  3. Step 3: Cross multiply
    18,136.24x = 25,038.43 × 12,084.89
  4. Step 4: Simplify right side
    18,136.24x = 302,586,486.71
  5. Step 5: Solve for x
    x = 302,586,486.71/18,136.24
  6. Step 6: Final answer
    x = 16,684.08

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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.