Home / 15,059.26-20,776.80-9,088.66

Finding the Fourth Proportional to 15,059.26, 20,776.80 and 9,088.66

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Solution

The fourth proportional to 15,059.26, 20,776.80 and 9,088.66 is: 12,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,059.26 : 20,776.80 = 9,088.66 : x
  2. Step 2: Convert to fraction form
    15,059.26/20,776.80 = 9,088.66/x
  3. Step 3: Cross multiply
    15,059.26x = 20,776.80 × 9,088.66
  4. Step 4: Simplify right side
    15,059.26x = 188,833,271.09
  5. Step 5: Solve for x
    x = 188,833,271.09/15,059.26
  6. Step 6: Final answer
    x = 12,539.35

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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.