Home / 14,302.12-19,710.30-10,316.20

Finding the Fourth Proportional to 14,302.12, 19,710.30 and 10,316.20

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Solution

The fourth proportional to 14,302.12, 19,710.30 and 10,316.20 is: 14,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,302.12 : 19,710.30 = 10,316.20 : x
  2. Step 2: Convert to fraction form
    14,302.12/19,710.30 = 10,316.20/x
  3. Step 3: Cross multiply
    14,302.12x = 19,710.30 × 10,316.20
  4. Step 4: Simplify right side
    14,302.12x = 203,335,396.86
  5. Step 5: Solve for x
    x = 203,335,396.86/14,302.12
  6. Step 6: Final answer
    x = 14,217.15

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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.