Home / 14,394.50-19,862.99-10,619.70

Finding the Fourth Proportional to 14,394.50, 19,862.99 and 10,619.70

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Solution

The fourth proportional to 14,394.50, 19,862.99 and 10,619.70 is: 14,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.50 : 19,862.99 = 10,619.70 : x
  2. Step 2: Convert to fraction form
    14,394.50/19,862.99 = 10,619.70/x
  3. Step 3: Cross multiply
    14,394.50x = 19,862.99 × 10,619.70
  4. Step 4: Simplify right side
    14,394.50x = 210,939,021.45
  5. Step 5: Solve for x
    x = 210,939,021.45/14,394.50
  6. Step 6: Final answer
    x = 14,654.14

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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.