Home / 15,754.50-21,741.48-10,175.22

Finding the Fourth Proportional to 15,754.50, 21,741.48 and 10,175.22

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Solution

The fourth proportional to 15,754.50, 21,741.48 and 10,175.22 is: 14,041.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,754.50 : 21,741.48 = 10,175.22 : x
  2. Step 2: Convert to fraction form
    15,754.50/21,741.48 = 10,175.22/x
  3. Step 3: Cross multiply
    15,754.50x = 21,741.48 × 10,175.22
  4. Step 4: Simplify right side
    15,754.50x = 221,224,342.13
  5. Step 5: Solve for x
    x = 221,224,342.13/15,754.50
  6. Step 6: Final answer
    x = 14,041.98

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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.