Home / 16,520.40-22,798.08-9,446.64

Finding the Fourth Proportional to 16,520.40, 22,798.08 and 9,446.64

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Solution

The fourth proportional to 16,520.40, 22,798.08 and 9,446.64 is: 13,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.40 : 22,798.08 = 9,446.64 : x
  2. Step 2: Convert to fraction form
    16,520.40/22,798.08 = 9,446.64/x
  3. Step 3: Cross multiply
    16,520.40x = 22,798.08 × 9,446.64
  4. Step 4: Simplify right side
    16,520.40x = 215,365,254.45
  5. Step 5: Solve for x
    x = 215,365,254.45/16,520.40
  6. Step 6: Final answer
    x = 13,036.32

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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.