Home / 15,126.44-20,852.85-10,088.82

Finding the Fourth Proportional to 15,126.44, 20,852.85 and 10,088.82

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Solution

The fourth proportional to 15,126.44, 20,852.85 and 10,088.82 is: 13,908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,126.44 : 20,852.85 = 10,088.82 : x
  2. Step 2: Convert to fraction form
    15,126.44/20,852.85 = 10,088.82/x
  3. Step 3: Cross multiply
    15,126.44x = 20,852.85 × 10,088.82
  4. Step 4: Simplify right side
    15,126.44x = 210,380,718.24
  5. Step 5: Solve for x
    x = 210,380,718.24/15,126.44
  6. Step 6: Final answer
    x = 13,908.14

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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.