Home / 22,225.08-30,656.16-14,254.68

Finding the Fourth Proportional to 22,225.08, 30,656.16 and 14,254.68

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Solution

The fourth proportional to 22,225.08, 30,656.16 and 14,254.68 is: 19,662.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.08 : 30,656.16 = 14,254.68 : x
  2. Step 2: Convert to fraction form
    22,225.08/30,656.16 = 14,254.68/x
  3. Step 3: Cross multiply
    22,225.08x = 30,656.16 × 14,254.68
  4. Step 4: Simplify right side
    22,225.08x = 436,993,750.83
  5. Step 5: Solve for x
    x = 436,993,750.83/22,225.08
  6. Step 6: Final answer
    x = 19,662.19

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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.