Home / 39,583.85-59,376.29-12,929.63

Finding the Fourth Proportional to 39,583.85, 59,376.29 and 12,929.63

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Solution

The fourth proportional to 39,583.85, 59,376.29 and 12,929.63 is: 19,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,583.85 : 59,376.29 = 12,929.63 : x
  2. Step 2: Convert to fraction form
    39,583.85/59,376.29 = 12,929.63/x
  3. Step 3: Cross multiply
    39,583.85x = 59,376.29 × 12,929.63
  4. Step 4: Simplify right side
    39,583.85x = 767,713,432.93
  5. Step 5: Solve for x
    x = 767,713,432.93/39,583.85
  6. Step 6: Final answer
    x = 19,394.61

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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.