Home / 16,528.40-24,790-5,435.01

Finding the Fourth Proportional to 16,528.40, 24,790 and 5,435.01

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Solution

The fourth proportional to 16,528.40, 24,790 and 5,435.01 is: 8,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,528.40 : 24,790 = 5,435.01 : x
  2. Step 2: Convert to fraction form
    16,528.40/24,790 = 5,435.01/x
  3. Step 3: Cross multiply
    16,528.40x = 24,790 × 5,435.01
  4. Step 4: Simplify right side
    16,528.40x = 134,733,897.90
  5. Step 5: Solve for x
    x = 134,733,897.90/16,528.40
  6. Step 6: Final answer
    x = 8,151.66

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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.