Home / 14,690.33-20,287.79-12,582.17

Finding the Fourth Proportional to 14,690.33, 20,287.79 and 12,582.17

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Solution

The fourth proportional to 14,690.33, 20,287.79 and 12,582.17 is: 17,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.33 : 20,287.79 = 12,582.17 : x
  2. Step 2: Convert to fraction form
    14,690.33/20,287.79 = 12,582.17/x
  3. Step 3: Cross multiply
    14,690.33x = 20,287.79 × 12,582.17
  4. Step 4: Simplify right side
    14,690.33x = 255,264,359.79
  5. Step 5: Solve for x
    x = 255,264,359.79/14,690.33
  6. Step 6: Final answer
    x = 17,376.35

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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.