Home / 25,205.51-37,831.62-12,734.32

Finding the Fourth Proportional to 25,205.51, 37,831.62 and 12,734.32

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Solution

The fourth proportional to 25,205.51, 37,831.62 and 12,734.32 is: 19,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,205.51 : 37,831.62 = 12,734.32 : x
  2. Step 2: Convert to fraction form
    25,205.51/37,831.62 = 12,734.32/x
  3. Step 3: Cross multiply
    25,205.51x = 37,831.62 × 12,734.32
  4. Step 4: Simplify right side
    25,205.51x = 481,759,955.20
  5. Step 5: Solve for x
    x = 481,759,955.20/25,205.51
  6. Step 6: Final answer
    x = 19,113.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.