Home / 14,967.33-20,656.16-8,254.28

Finding the Fourth Proportional to 14,967.33, 20,656.16 and 8,254.28

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Solution

The fourth proportional to 14,967.33, 20,656.16 and 8,254.28 is: 11,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,967.33 : 20,656.16 = 8,254.28 : x
  2. Step 2: Convert to fraction form
    14,967.33/20,656.16 = 8,254.28/x
  3. Step 3: Cross multiply
    14,967.33x = 20,656.16 × 8,254.28
  4. Step 4: Simplify right side
    14,967.33x = 170,501,583.81
  5. Step 5: Solve for x
    x = 170,501,583.81/14,967.33
  6. Step 6: Final answer
    x = 11,391.58

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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.