Home / 14,312.16-21,443.94-8,069.76

Finding the Fourth Proportional to 14,312.16, 21,443.94 and 8,069.76

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Solution

The fourth proportional to 14,312.16, 21,443.94 and 8,069.76 is: 12,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.16 : 21,443.94 = 8,069.76 : x
  2. Step 2: Convert to fraction form
    14,312.16/21,443.94 = 8,069.76/x
  3. Step 3: Cross multiply
    14,312.16x = 21,443.94 × 8,069.76
  4. Step 4: Simplify right side
    14,312.16x = 173,047,449.25
  5. Step 5: Solve for x
    x = 173,047,449.25/14,312.16
  6. Step 6: Final answer
    x = 12,090.94

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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.