Home / 15,861.63-23,790.56-4,175.76

Finding the Fourth Proportional to 15,861.63, 23,790.56 and 4,175.76

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Solution

The fourth proportional to 15,861.63, 23,790.56 and 4,175.76 is: 6,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.63 : 23,790.56 = 4,175.76 : x
  2. Step 2: Convert to fraction form
    15,861.63/23,790.56 = 4,175.76/x
  3. Step 3: Cross multiply
    15,861.63x = 23,790.56 × 4,175.76
  4. Step 4: Simplify right side
    15,861.63x = 99,343,647.95
  5. Step 5: Solve for x
    x = 99,343,647.95/15,861.63
  6. Step 6: Final answer
    x = 6,263.14

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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.