Home / 27,123.18-37,428.18-15,184.50

Finding the Fourth Proportional to 27,123.18, 37,428.18 and 15,184.50

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Solution

The fourth proportional to 27,123.18, 37,428.18 and 15,184.50 is: 20,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,123.18 : 37,428.18 = 15,184.50 : x
  2. Step 2: Convert to fraction form
    27,123.18/37,428.18 = 15,184.50/x
  3. Step 3: Cross multiply
    27,123.18x = 37,428.18 × 15,184.50
  4. Step 4: Simplify right side
    27,123.18x = 568,328,199.21
  5. Step 5: Solve for x
    x = 568,328,199.21/27,123.18
  6. Step 6: Final answer
    x = 20,953.60

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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.