Home / 19,114.90-28,615.65-14,206.30

Finding the Fourth Proportional to 19,114.90, 28,615.65 and 14,206.30

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Solution

The fourth proportional to 19,114.90, 28,615.65 and 14,206.30 is: 21,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.90 : 28,615.65 = 14,206.30 : x
  2. Step 2: Convert to fraction form
    19,114.90/28,615.65 = 14,206.30/x
  3. Step 3: Cross multiply
    19,114.90x = 28,615.65 × 14,206.30
  4. Step 4: Simplify right side
    19,114.90x = 406,522,508.60
  5. Step 5: Solve for x
    x = 406,522,508.60/19,114.90
  6. Step 6: Final answer
    x = 21,267.31

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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.