Home / 15,343.14-21,168.09-10,041.06

Finding the Fourth Proportional to 15,343.14, 21,168.09 and 10,041.06

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Solution

The fourth proportional to 15,343.14, 21,168.09 and 10,041.06 is: 13,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343.14 : 21,168.09 = 10,041.06 : x
  2. Step 2: Convert to fraction form
    15,343.14/21,168.09 = 10,041.06/x
  3. Step 3: Cross multiply
    15,343.14x = 21,168.09 × 10,041.06
  4. Step 4: Simplify right side
    15,343.14x = 212,550,061.78
  5. Step 5: Solve for x
    x = 212,550,061.78/15,343.14
  6. Step 6: Final answer
    x = 13,853.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.