Home / 19,152.01-26,400.96-15,111.87

Finding the Fourth Proportional to 19,152.01, 26,400.96 and 15,111.87

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Solution

The fourth proportional to 19,152.01, 26,400.96 and 15,111.87 is: 20,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.01 : 26,400.96 = 15,111.87 : x
  2. Step 2: Convert to fraction form
    19,152.01/26,400.96 = 15,111.87/x
  3. Step 3: Cross multiply
    19,152.01x = 26,400.96 × 15,111.87
  4. Step 4: Simplify right side
    19,152.01x = 398,967,818.89
  5. Step 5: Solve for x
    x = 398,967,818.89/19,152.01
  6. Step 6: Final answer
    x = 20,831.65

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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.