Home / 14,959.08-20,647.71-8,670.24

Finding the Fourth Proportional to 14,959.08, 20,647.71 and 8,670.24

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Solution

The fourth proportional to 14,959.08, 20,647.71 and 8,670.24 is: 11,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959.08 : 20,647.71 = 8,670.24 : x
  2. Step 2: Convert to fraction form
    14,959.08/20,647.71 = 8,670.24/x
  3. Step 3: Cross multiply
    14,959.08x = 20,647.71 × 8,670.24
  4. Step 4: Simplify right side
    14,959.08x = 179,020,601.15
  5. Step 5: Solve for x
    x = 179,020,601.15/14,959.08
  6. Step 6: Final answer
    x = 11,967.35

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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.