Home / 14,631.40-21,968.70-11,348.20

Finding the Fourth Proportional to 14,631.40, 21,968.70 and 11,348.20

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Solution

The fourth proportional to 14,631.40, 21,968.70 and 11,348.20 is: 17,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.40 : 21,968.70 = 11,348.20 : x
  2. Step 2: Convert to fraction form
    14,631.40/21,968.70 = 11,348.20/x
  3. Step 3: Cross multiply
    14,631.40x = 21,968.70 × 11,348.20
  4. Step 4: Simplify right side
    14,631.40x = 249,305,201.34
  5. Step 5: Solve for x
    x = 249,305,201.34/14,631.40
  6. Step 6: Final answer
    x = 17,039.05

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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.