Home / 20,526.18-28,326.15-11,094.75

Finding the Fourth Proportional to 20,526.18, 28,326.15 and 11,094.75

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Solution

The fourth proportional to 20,526.18, 28,326.15 and 11,094.75 is: 15,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.18 : 28,326.15 = 11,094.75 : x
  2. Step 2: Convert to fraction form
    20,526.18/28,326.15 = 11,094.75/x
  3. Step 3: Cross multiply
    20,526.18x = 28,326.15 × 11,094.75
  4. Step 4: Simplify right side
    20,526.18x = 314,271,552.71
  5. Step 5: Solve for x
    x = 314,271,552.71/20,526.18
  6. Step 6: Final answer
    x = 15,310.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.