Home / 19,009.75-26,231.17-10,510.72

Finding the Fourth Proportional to 19,009.75, 26,231.17 and 10,510.72

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Solution

The fourth proportional to 19,009.75, 26,231.17 and 10,510.72 is: 14,503.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.75 : 26,231.17 = 10,510.72 : x
  2. Step 2: Convert to fraction form
    19,009.75/26,231.17 = 10,510.72/x
  3. Step 3: Cross multiply
    19,009.75x = 26,231.17 × 10,510.72
  4. Step 4: Simplify right side
    19,009.75x = 275,708,483.14
  5. Step 5: Solve for x
    x = 275,708,483.14/19,009.75
  6. Step 6: Final answer
    x = 14,503.53

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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.