Home / 39,565.60-59,348.40-11,863.60

Finding the Fourth Proportional to 39,565.60, 59,348.40 and 11,863.60

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Solution

The fourth proportional to 39,565.60, 59,348.40 and 11,863.60 is: 17,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,565.60 : 59,348.40 = 11,863.60 : x
  2. Step 2: Convert to fraction form
    39,565.60/59,348.40 = 11,863.60/x
  3. Step 3: Cross multiply
    39,565.60x = 59,348.40 × 11,863.60
  4. Step 4: Simplify right side
    39,565.60x = 704,085,678.24
  5. Step 5: Solve for x
    x = 704,085,678.24/39,565.60
  6. Step 6: Final answer
    x = 17,795.40

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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.