Home / 20,526.63-28,326.74-11,095.19

Finding the Fourth Proportional to 20,526.63, 28,326.74 and 11,095.19

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Solution

The fourth proportional to 20,526.63, 28,326.74 and 11,095.19 is: 15,311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.63 : 28,326.74 = 11,095.19 : x
  2. Step 2: Convert to fraction form
    20,526.63/28,326.74 = 11,095.19/x
  3. Step 3: Cross multiply
    20,526.63x = 28,326.74 × 11,095.19
  4. Step 4: Simplify right side
    20,526.63x = 314,290,577.72
  5. Step 5: Solve for x
    x = 314,290,577.72/20,526.63
  6. Step 6: Final answer
    x = 15,311.36

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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.