Home / 23,438.40-32,345.52-12,828.48

Finding the Fourth Proportional to 23,438.40, 32,345.52 and 12,828.48

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Solution

The fourth proportional to 23,438.40, 32,345.52 and 12,828.48 is: 17,703.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,438.40 : 32,345.52 = 12,828.48 : x
  2. Step 2: Convert to fraction form
    23,438.40/32,345.52 = 12,828.48/x
  3. Step 3: Cross multiply
    23,438.40x = 32,345.52 × 12,828.48
  4. Step 4: Simplify right side
    23,438.40x = 414,943,856.41
  5. Step 5: Solve for x
    x = 414,943,856.41/23,438.40
  6. Step 6: Final answer
    x = 17,703.59

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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.