Home / 25,668.32-35,423.20-14,490.08

Finding the Fourth Proportional to 25,668.32, 35,423.20 and 14,490.08

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Solution

The fourth proportional to 25,668.32, 35,423.20 and 14,490.08 is: 19,996.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.32 : 35,423.20 = 14,490.08 : x
  2. Step 2: Convert to fraction form
    25,668.32/35,423.20 = 14,490.08/x
  3. Step 3: Cross multiply
    25,668.32x = 35,423.20 × 14,490.08
  4. Step 4: Simplify right side
    25,668.32x = 513,285,001.86
  5. Step 5: Solve for x
    x = 513,285,001.86/25,668.32
  6. Step 6: Final answer
    x = 19,996.83

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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.