Home / 35,831.04-53,754.20-12,137.76

Finding the Fourth Proportional to 35,831.04, 53,754.20 and 12,137.76

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Solution

The fourth proportional to 35,831.04, 53,754.20 and 12,137.76 is: 18,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,831.04 : 53,754.20 = 12,137.76 : x
  2. Step 2: Convert to fraction form
    35,831.04/53,754.20 = 12,137.76/x
  3. Step 3: Cross multiply
    35,831.04x = 53,754.20 × 12,137.76
  4. Step 4: Simplify right side
    35,831.04x = 652,455,578.59
  5. Step 5: Solve for x
    x = 652,455,578.59/35,831.04
  6. Step 6: Final answer
    x = 18,209.23

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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.