Home / 14,070.67-21,108.72-4,209.13

Finding the Fourth Proportional to 14,070.67, 21,108.72 and 4,209.13

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Solution

The fourth proportional to 14,070.67, 21,108.72 and 4,209.13 is: 6,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.67 : 21,108.72 = 4,209.13 : x
  2. Step 2: Convert to fraction form
    14,070.67/21,108.72 = 4,209.13/x
  3. Step 3: Cross multiply
    14,070.67x = 21,108.72 × 4,209.13
  4. Step 4: Simplify right side
    14,070.67x = 88,849,346.61
  5. Step 5: Solve for x
    x = 88,849,346.61/14,070.67
  6. Step 6: Final answer
    x = 6,314.51

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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.