Home / 19,299.96-26,623.80-12,582.72

Finding the Fourth Proportional to 19,299.96, 26,623.80 and 12,582.72

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Solution

The fourth proportional to 19,299.96, 26,623.80 and 12,582.72 is: 17,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.96 : 26,623.80 = 12,582.72 : x
  2. Step 2: Convert to fraction form
    19,299.96/26,623.80 = 12,582.72/x
  3. Step 3: Cross multiply
    19,299.96x = 26,623.80 × 12,582.72
  4. Step 4: Simplify right side
    19,299.96x = 334,999,820.74
  5. Step 5: Solve for x
    x = 334,999,820.74/19,299.96
  6. Step 6: Final answer
    x = 17,357.54

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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.