Home / 22,345.37-33,507.73-12,988.05

Finding the Fourth Proportional to 22,345.37, 33,507.73 and 12,988.05

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Solution

The fourth proportional to 22,345.37, 33,507.73 and 12,988.05 is: 19,476.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345.37 : 33,507.73 = 12,988.05 : x
  2. Step 2: Convert to fraction form
    22,345.37/33,507.73 = 12,988.05/x
  3. Step 3: Cross multiply
    22,345.37x = 33,507.73 × 12,988.05
  4. Step 4: Simplify right side
    22,345.37x = 435,199,890.15
  5. Step 5: Solve for x
    x = 435,199,890.15/22,345.37
  6. Step 6: Final answer
    x = 19,476.07

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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.