Home / 16,437.36-22,685.14-9,725.15

Finding the Fourth Proportional to 16,437.36, 22,685.14 and 9,725.15

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Solution

The fourth proportional to 16,437.36, 22,685.14 and 9,725.15 is: 13,421.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,437.36 : 22,685.14 = 9,725.15 : x
  2. Step 2: Convert to fraction form
    16,437.36/22,685.14 = 9,725.15/x
  3. Step 3: Cross multiply
    16,437.36x = 22,685.14 × 9,725.15
  4. Step 4: Simplify right side
    16,437.36x = 220,616,389.27
  5. Step 5: Solve for x
    x = 220,616,389.27/16,437.36
  6. Step 6: Final answer
    x = 13,421.64

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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.