Home / 13,308.02-19,920.50-9,801.98

Finding the Fourth Proportional to 13,308.02, 19,920.50 and 9,801.98

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Solution

The fourth proportional to 13,308.02, 19,920.50 and 9,801.98 is: 14,672.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308.02 : 19,920.50 = 9,801.98 : x
  2. Step 2: Convert to fraction form
    13,308.02/19,920.50 = 9,801.98/x
  3. Step 3: Cross multiply
    13,308.02x = 19,920.50 × 9,801.98
  4. Step 4: Simplify right side
    13,308.02x = 195,260,389.03
  5. Step 5: Solve for x
    x = 195,260,389.03/13,308.02
  6. Step 6: Final answer
    x = 14,672.39

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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.