Home / 14,047.50-21,074.72-4,186.74

Finding the Fourth Proportional to 14,047.50, 21,074.72 and 4,186.74

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Solution

The fourth proportional to 14,047.50, 21,074.72 and 4,186.74 is: 6,281.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.50 : 21,074.72 = 4,186.74 : x
  2. Step 2: Convert to fraction form
    14,047.50/21,074.72 = 4,186.74/x
  3. Step 3: Cross multiply
    14,047.50x = 21,074.72 × 4,186.74
  4. Step 4: Simplify right side
    14,047.50x = 88,234,373.21
  5. Step 5: Solve for x
    x = 88,234,373.21/14,047.50
  6. Step 6: Final answer
    x = 6,281.14

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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.