Home / 14,970.08-20,658.46-8,256.35

Finding the Fourth Proportional to 14,970.08, 20,658.46 and 8,256.35

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Solution

The fourth proportional to 14,970.08, 20,658.46 and 8,256.35 is: 11,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.08 : 20,658.46 = 8,256.35 : x
  2. Step 2: Convert to fraction form
    14,970.08/20,658.46 = 8,256.35/x
  3. Step 3: Cross multiply
    14,970.08x = 20,658.46 × 8,256.35
  4. Step 4: Simplify right side
    14,970.08x = 170,563,476.22
  5. Step 5: Solve for x
    x = 170,563,476.22/14,970.08
  6. Step 6: Final answer
    x = 11,393.62

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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.