Home / 39,509.96-59,258.32-13,214.61

Finding the Fourth Proportional to 39,509.96, 59,258.32 and 13,214.61

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Solution

The fourth proportional to 39,509.96, 59,258.32 and 13,214.61 is: 19,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,509.96 : 59,258.32 = 13,214.61 : x
  2. Step 2: Convert to fraction form
    39,509.96/59,258.32 = 13,214.61/x
  3. Step 3: Cross multiply
    39,509.96x = 59,258.32 × 13,214.61
  4. Step 4: Simplify right side
    39,509.96x = 783,075,555.02
  5. Step 5: Solve for x
    x = 783,075,555.02/39,509.96
  6. Step 6: Final answer
    x = 19,819.70

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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.