Home / 19,120.55-26,386.70-10,623.45

Finding the Fourth Proportional to 19,120.55, 26,386.70 and 10,623.45

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Solution

The fourth proportional to 19,120.55, 26,386.70 and 10,623.45 is: 14,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.55 : 26,386.70 = 10,623.45 : x
  2. Step 2: Convert to fraction form
    19,120.55/26,386.70 = 10,623.45/x
  3. Step 3: Cross multiply
    19,120.55x = 26,386.70 × 10,623.45
  4. Step 4: Simplify right side
    19,120.55x = 280,317,735.00
  5. Step 5: Solve for x
    x = 280,317,735.00/19,120.55
  6. Step 6: Final answer
    x = 14,660.55

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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.