Home / 18,106.84-24,966.43-16,986.00

Finding the Fourth Proportional to 18,106.84, 24,966.43 and 16,986.00

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Solution

The fourth proportional to 18,106.84, 24,966.43 and 16,986.00 is: 23,420.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.84 : 24,966.43 = 16,986.00 : x
  2. Step 2: Convert to fraction form
    18,106.84/24,966.43 = 16,986.00/x
  3. Step 3: Cross multiply
    18,106.84x = 24,966.43 × 16,986.00
  4. Step 4: Simplify right side
    18,106.84x = 424,079,831.14
  5. Step 5: Solve for x
    x = 424,079,831.14/18,106.84
  6. Step 6: Final answer
    x = 23,420.97

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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.