Home / 14,325.86-21,502.46-8,790.01

Finding the Fourth Proportional to 14,325.86, 21,502.46 and 8,790.01

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Solution

The fourth proportional to 14,325.86, 21,502.46 and 8,790.01 is: 13,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.86 : 21,502.46 = 8,790.01 : x
  2. Step 2: Convert to fraction form
    14,325.86/21,502.46 = 8,790.01/x
  3. Step 3: Cross multiply
    14,325.86x = 21,502.46 × 8,790.01
  4. Step 4: Simplify right side
    14,325.86x = 189,006,854.32
  5. Step 5: Solve for x
    x = 189,006,854.32/14,325.86
  6. Step 6: Final answer
    x = 13,193.41

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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.