Home / 13,237.90-19,871.43-10,482.28

Finding the Fourth Proportional to 13,237.90, 19,871.43 and 10,482.28

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Solution

The fourth proportional to 13,237.90, 19,871.43 and 10,482.28 is: 15,734.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.90 : 19,871.43 = 10,482.28 : x
  2. Step 2: Convert to fraction form
    13,237.90/19,871.43 = 10,482.28/x
  3. Step 3: Cross multiply
    13,237.90x = 19,871.43 × 10,482.28
  4. Step 4: Simplify right side
    13,237.90x = 208,297,893.26
  5. Step 5: Solve for x
    x = 208,297,893.26/13,237.90
  6. Step 6: Final answer
    x = 15,734.97

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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.