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Finding the Fourth Proportional to 15,094.42, 20,826.06 and 9,434.92

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Solution

The fourth proportional to 15,094.42, 20,826.06 and 9,434.92 is: 13,017.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,094.42 : 20,826.06 = 9,434.92 : x
  2. Step 2: Convert to fraction form
    15,094.42/20,826.06 = 9,434.92/x
  3. Step 3: Cross multiply
    15,094.42x = 20,826.06 × 9,434.92
  4. Step 4: Simplify right side
    15,094.42x = 196,492,210.02
  5. Step 5: Solve for x
    x = 196,492,210.02/15,094.42
  6. Step 6: Final answer
    x = 13,017.54

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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.