Home / 27,124.47-40,707.54-12,136.23

Finding the Fourth Proportional to 27,124.47, 40,707.54 and 12,136.23

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Solution

The fourth proportional to 27,124.47, 40,707.54 and 12,136.23 is: 18,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,124.47 : 40,707.54 = 12,136.23 : x
  2. Step 2: Convert to fraction form
    27,124.47/40,707.54 = 12,136.23/x
  3. Step 3: Cross multiply
    27,124.47x = 40,707.54 × 12,136.23
  4. Step 4: Simplify right side
    27,124.47x = 494,036,068.17
  5. Step 5: Solve for x
    x = 494,036,068.17/27,124.47
  6. Step 6: Final answer
    x = 18,213.67

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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.