Home / 19,783.41-27,302.01-10,831.29

Finding the Fourth Proportional to 19,783.41, 27,302.01 and 10,831.29

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Solution

The fourth proportional to 19,783.41, 27,302.01 and 10,831.29 is: 14,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.41 : 27,302.01 = 10,831.29 : x
  2. Step 2: Convert to fraction form
    19,783.41/27,302.01 = 10,831.29/x
  3. Step 3: Cross multiply
    19,783.41x = 27,302.01 × 10,831.29
  4. Step 4: Simplify right side
    19,783.41x = 295,715,905.82
  5. Step 5: Solve for x
    x = 295,715,905.82/19,783.41
  6. Step 6: Final answer
    x = 14,947.67

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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.