Home / 18,953.02-28,435.00-5,807.33

Finding the Fourth Proportional to 18,953.02, 28,435.00 and 5,807.33

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Solution

The fourth proportional to 18,953.02, 28,435.00 and 5,807.33 is: 8,712.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.02 : 28,435.00 = 5,807.33 : x
  2. Step 2: Convert to fraction form
    18,953.02/28,435.00 = 5,807.33/x
  3. Step 3: Cross multiply
    18,953.02x = 28,435.00 × 5,807.33
  4. Step 4: Simplify right side
    18,953.02x = 165,131,389.38
  5. Step 5: Solve for x
    x = 165,131,389.38/18,953.02
  6. Step 6: Final answer
    x = 8,712.67

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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.