Home / 14,929.75-20,590.95-9,260.56

Finding the Fourth Proportional to 14,929.75, 20,590.95 and 9,260.56

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Solution

The fourth proportional to 14,929.75, 20,590.95 and 9,260.56 is: 12,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.75 : 20,590.95 = 9,260.56 : x
  2. Step 2: Convert to fraction form
    14,929.75/20,590.95 = 9,260.56/x
  3. Step 3: Cross multiply
    14,929.75x = 20,590.95 × 9,260.56
  4. Step 4: Simplify right side
    14,929.75x = 190,683,727.93
  5. Step 5: Solve for x
    x = 190,683,727.93/14,929.75
  6. Step 6: Final answer
    x = 12,772.06

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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.