Home / 18,718.52-25,831.56-10,335

Finding the Fourth Proportional to 18,718.52, 25,831.56 and 10,335

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Solution

The fourth proportional to 18,718.52, 25,831.56 and 10,335 is: 14,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718.52 : 25,831.56 = 10,335 : x
  2. Step 2: Convert to fraction form
    18,718.52/25,831.56 = 10,335/x
  3. Step 3: Cross multiply
    18,718.52x = 25,831.56 × 10,335
  4. Step 4: Simplify right side
    18,718.52x = 266,969,172.60
  5. Step 5: Solve for x
    x = 266,969,172.60/18,718.52
  6. Step 6: Final answer
    x = 14,262.30

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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.