Home / 22,135.56-30,547.62-12,575.22

Finding the Fourth Proportional to 22,135.56, 30,547.62 and 12,575.22

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Solution

The fourth proportional to 22,135.56, 30,547.62 and 12,575.22 is: 17,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,135.56 : 30,547.62 = 12,575.22 : x
  2. Step 2: Convert to fraction form
    22,135.56/30,547.62 = 12,575.22/x
  3. Step 3: Cross multiply
    22,135.56x = 30,547.62 × 12,575.22
  4. Step 4: Simplify right side
    22,135.56x = 384,143,041.98
  5. Step 5: Solve for x
    x = 384,143,041.98/22,135.56
  6. Step 6: Final answer
    x = 17,354.11

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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.