Home / 18,784.53-25,923.35-10,719.50

Finding the Fourth Proportional to 18,784.53, 25,923.35 and 10,719.50

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Solution

The fourth proportional to 18,784.53, 25,923.35 and 10,719.50 is: 14,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.53 : 25,923.35 = 10,719.50 : x
  2. Step 2: Convert to fraction form
    18,784.53/25,923.35 = 10,719.50/x
  3. Step 3: Cross multiply
    18,784.53x = 25,923.35 × 10,719.50
  4. Step 4: Simplify right side
    18,784.53x = 277,885,247.51
  5. Step 5: Solve for x
    x = 277,885,247.51/18,784.53
  6. Step 6: Final answer
    x = 14,793.30

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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.