Home / 19,120.04-26,389.86-10,625.07

Finding the Fourth Proportional to 19,120.04, 26,389.86 and 10,625.07

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Solution

The fourth proportional to 19,120.04, 26,389.86 and 10,625.07 is: 14,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.04 : 26,389.86 = 10,625.07 : x
  2. Step 2: Convert to fraction form
    19,120.04/26,389.86 = 10,625.07/x
  3. Step 3: Cross multiply
    19,120.04x = 26,389.86 × 10,625.07
  4. Step 4: Simplify right side
    19,120.04x = 280,394,109.79
  5. Step 5: Solve for x
    x = 280,394,109.79/19,120.04
  6. Step 6: Final answer
    x = 14,664.94

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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.