Home / 15,062.36-20,785.76-9,094.28

Finding the Fourth Proportional to 15,062.36, 20,785.76 and 9,094.28

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Solution

The fourth proportional to 15,062.36, 20,785.76 and 9,094.28 is: 12,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,062.36 : 20,785.76 = 9,094.28 : x
  2. Step 2: Convert to fraction form
    15,062.36/20,785.76 = 9,094.28/x
  3. Step 3: Cross multiply
    15,062.36x = 20,785.76 × 9,094.28
  4. Step 4: Simplify right side
    15,062.36x = 189,031,475.98
  5. Step 5: Solve for x
    x = 189,031,475.98/15,062.36
  6. Step 6: Final answer
    x = 12,549.92

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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.