Home / 23,438.83-32,345.64-12,828.46

Finding the Fourth Proportional to 23,438.83, 32,345.64 and 12,828.46

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Solution

The fourth proportional to 23,438.83, 32,345.64 and 12,828.46 is: 17,703.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,438.83 : 32,345.64 = 12,828.46 : x
  2. Step 2: Convert to fraction form
    23,438.83/32,345.64 = 12,828.46/x
  3. Step 3: Cross multiply
    23,438.83x = 32,345.64 × 12,828.46
  4. Step 4: Simplify right side
    23,438.83x = 414,944,748.91
  5. Step 5: Solve for x
    x = 414,944,748.91/23,438.83
  6. Step 6: Final answer
    x = 17,703.30

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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.