Home / 20,526.58-28,326.81-11,095.12

Finding the Fourth Proportional to 20,526.58, 28,326.81 and 11,095.12

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Solution

The fourth proportional to 20,526.58, 28,326.81 and 11,095.12 is: 15,311.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.58 : 28,326.81 = 11,095.12 : x
  2. Step 2: Convert to fraction form
    20,526.58/28,326.81 = 11,095.12/x
  3. Step 3: Cross multiply
    20,526.58x = 28,326.81 × 11,095.12
  4. Step 4: Simplify right side
    20,526.58x = 314,289,356.17
  5. Step 5: Solve for x
    x = 314,289,356.17/20,526.58
  6. Step 6: Final answer
    x = 15,311.34

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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.