Home / 15,927.95-23,757.53-13,831.46

Finding the Fourth Proportional to 15,927.95, 23,757.53 and 13,831.46

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Solution

The fourth proportional to 15,927.95, 23,757.53 and 13,831.46 is: 20,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,927.95 : 23,757.53 = 13,831.46 : x
  2. Step 2: Convert to fraction form
    15,927.95/23,757.53 = 13,831.46/x
  3. Step 3: Cross multiply
    15,927.95x = 23,757.53 × 13,831.46
  4. Step 4: Simplify right side
    15,927.95x = 328,601,137.95
  5. Step 5: Solve for x
    x = 328,601,137.95/15,927.95
  6. Step 6: Final answer
    x = 20,630.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.