Home / 15,077.08-20,802.66-9,029.32

Finding the Fourth Proportional to 15,077.08, 20,802.66 and 9,029.32

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Solution

The fourth proportional to 15,077.08, 20,802.66 and 9,029.32 is: 12,458.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077.08 : 20,802.66 = 9,029.32 : x
  2. Step 2: Convert to fraction form
    15,077.08/20,802.66 = 9,029.32/x
  3. Step 3: Cross multiply
    15,077.08x = 20,802.66 × 9,029.32
  4. Step 4: Simplify right side
    15,077.08x = 187,833,873.99
  5. Step 5: Solve for x
    x = 187,833,873.99/15,077.08
  6. Step 6: Final answer
    x = 12,458.24

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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.