Home / 26,515.08-39,783.15-10,929.06

Finding the Fourth Proportional to 26,515.08, 39,783.15 and 10,929.06

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Solution

The fourth proportional to 26,515.08, 39,783.15 and 10,929.06 is: 16,397.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,515.08 : 39,783.15 = 10,929.06 : x
  2. Step 2: Convert to fraction form
    26,515.08/39,783.15 = 10,929.06/x
  3. Step 3: Cross multiply
    26,515.08x = 39,783.15 × 10,929.06
  4. Step 4: Simplify right side
    26,515.08x = 434,792,433.34
  5. Step 5: Solve for x
    x = 434,792,433.34/26,515.08
  6. Step 6: Final answer
    x = 16,397.93

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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.