Home / 14,495.24-20,002.74-8,905.16

Finding the Fourth Proportional to 14,495.24, 20,002.74 and 8,905.16

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Solution

The fourth proportional to 14,495.24, 20,002.74 and 8,905.16 is: 12,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.24 : 20,002.74 = 8,905.16 : x
  2. Step 2: Convert to fraction form
    14,495.24/20,002.74 = 8,905.16/x
  3. Step 3: Cross multiply
    14,495.24x = 20,002.74 × 8,905.16
  4. Step 4: Simplify right side
    14,495.24x = 178,127,600.14
  5. Step 5: Solve for x
    x = 178,127,600.14/14,495.24
  6. Step 6: Final answer
    x = 12,288.70

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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.