Home / 13,021.98-19,543.97-10,068.38

Finding the Fourth Proportional to 13,021.98, 19,543.97 and 10,068.38

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Solution

The fourth proportional to 13,021.98, 19,543.97 and 10,068.38 is: 15,111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.98 : 19,543.97 = 10,068.38 : x
  2. Step 2: Convert to fraction form
    13,021.98/19,543.97 = 10,068.38/x
  3. Step 3: Cross multiply
    13,021.98x = 19,543.97 × 10,068.38
  4. Step 4: Simplify right side
    13,021.98x = 196,776,170.71
  5. Step 5: Solve for x
    x = 196,776,170.71/13,021.98
  6. Step 6: Final answer
    x = 15,111.08

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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.