Home / 14,205.38-19,603.48-7,831.84

Finding the Fourth Proportional to 14,205.38, 19,603.48 and 7,831.84

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Solution

The fourth proportional to 14,205.38, 19,603.48 and 7,831.84 is: 10,807.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.38 : 19,603.48 = 7,831.84 : x
  2. Step 2: Convert to fraction form
    14,205.38/19,603.48 = 7,831.84/x
  3. Step 3: Cross multiply
    14,205.38x = 19,603.48 × 7,831.84
  4. Step 4: Simplify right side
    14,205.38x = 153,531,211.00
  5. Step 5: Solve for x
    x = 153,531,211.00/14,205.38
  6. Step 6: Final answer
    x = 10,807.96

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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.