Home / 31,598.64-47,412.62-13,826.96

Finding the Fourth Proportional to 31,598.64, 47,412.62 and 13,826.96

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Solution

The fourth proportional to 31,598.64, 47,412.62 and 13,826.96 is: 20,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,598.64 : 47,412.62 = 13,826.96 : x
  2. Step 2: Convert to fraction form
    31,598.64/47,412.62 = 13,826.96/x
  3. Step 3: Cross multiply
    31,598.64x = 47,412.62 × 13,826.96
  4. Step 4: Simplify right side
    31,598.64x = 655,572,400.24
  5. Step 5: Solve for x
    x = 655,572,400.24/31,598.64
  6. Step 6: Final answer
    x = 20,746.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.