Home / 14,890.95-20,549.52-8,176.74

Finding the Fourth Proportional to 14,890.95, 20,549.52 and 8,176.74

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Solution

The fourth proportional to 14,890.95, 20,549.52 and 8,176.74 is: 11,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.95 : 20,549.52 = 8,176.74 : x
  2. Step 2: Convert to fraction form
    14,890.95/20,549.52 = 8,176.74/x
  3. Step 3: Cross multiply
    14,890.95x = 20,549.52 × 8,176.74
  4. Step 4: Simplify right side
    14,890.95x = 168,028,082.16
  5. Step 5: Solve for x
    x = 168,028,082.16/14,890.95
  6. Step 6: Final answer
    x = 11,283.91

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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.