Home / 15,559.04-21,483.24-10,261.28

Finding the Fourth Proportional to 15,559.04, 21,483.24 and 10,261.28

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Solution

The fourth proportional to 15,559.04, 21,483.24 and 10,261.28 is: 14,168.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,559.04 : 21,483.24 = 10,261.28 : x
  2. Step 2: Convert to fraction form
    15,559.04/21,483.24 = 10,261.28/x
  3. Step 3: Cross multiply
    15,559.04x = 21,483.24 × 10,261.28
  4. Step 4: Simplify right side
    15,559.04x = 220,445,540.95
  5. Step 5: Solve for x
    x = 220,445,540.95/15,559.04
  6. Step 6: Final answer
    x = 14,168.33

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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.