Home / 28,526.86-42,772.06-13,706.29

Finding the Fourth Proportional to 28,526.86, 42,772.06 and 13,706.29

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Solution

The fourth proportional to 28,526.86, 42,772.06 and 13,706.29 is: 20,550.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,526.86 : 42,772.06 = 13,706.29 : x
  2. Step 2: Convert to fraction form
    28,526.86/42,772.06 = 13,706.29/x
  3. Step 3: Cross multiply
    28,526.86x = 42,772.06 × 13,706.29
  4. Step 4: Simplify right side
    28,526.86x = 586,246,258.26
  5. Step 5: Solve for x
    x = 586,246,258.26/28,526.86
  6. Step 6: Final answer
    x = 20,550.68

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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.