Home / 19,440.56-26,831.76-11,482.40

Finding the Fourth Proportional to 19,440.56, 26,831.76 and 11,482.40

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Solution

The fourth proportional to 19,440.56, 26,831.76 and 11,482.40 is: 15,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.56 : 26,831.76 = 11,482.40 : x
  2. Step 2: Convert to fraction form
    19,440.56/26,831.76 = 11,482.40/x
  3. Step 3: Cross multiply
    19,440.56x = 26,831.76 × 11,482.40
  4. Step 4: Simplify right side
    19,440.56x = 308,093,001.02
  5. Step 5: Solve for x
    x = 308,093,001.02/19,440.56
  6. Step 6: Final answer
    x = 15,847.95

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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.