Home / 14,350.79-21,486.23-10,830.12

Finding the Fourth Proportional to 14,350.79, 21,486.23 and 10,830.12

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Solution

The fourth proportional to 14,350.79, 21,486.23 and 10,830.12 is: 16,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.79 : 21,486.23 = 10,830.12 : x
  2. Step 2: Convert to fraction form
    14,350.79/21,486.23 = 10,830.12/x
  3. Step 3: Cross multiply
    14,350.79x = 21,486.23 × 10,830.12
  4. Step 4: Simplify right side
    14,350.79x = 232,698,449.25
  5. Step 5: Solve for x
    x = 232,698,449.25/14,350.79
  6. Step 6: Final answer
    x = 16,215.03

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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.