Home / 16,239.36-22,415.12-9,526.40

Finding the Fourth Proportional to 16,239.36, 22,415.12 and 9,526.40

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Solution

The fourth proportional to 16,239.36, 22,415.12 and 9,526.40 is: 13,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.36 : 22,415.12 = 9,526.40 : x
  2. Step 2: Convert to fraction form
    16,239.36/22,415.12 = 9,526.40/x
  3. Step 3: Cross multiply
    16,239.36x = 22,415.12 × 9,526.40
  4. Step 4: Simplify right side
    16,239.36x = 213,535,399.17
  5. Step 5: Solve for x
    x = 213,535,399.17/16,239.36
  6. Step 6: Final answer
    x = 13,149.25

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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.