Home / 19,222.76-26,519.08-12,048.32

Finding the Fourth Proportional to 19,222.76, 26,519.08 and 12,048.32

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Solution

The fourth proportional to 19,222.76, 26,519.08 and 12,048.32 is: 16,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.76 : 26,519.08 = 12,048.32 : x
  2. Step 2: Convert to fraction form
    19,222.76/26,519.08 = 12,048.32/x
  3. Step 3: Cross multiply
    19,222.76x = 26,519.08 × 12,048.32
  4. Step 4: Simplify right side
    19,222.76x = 319,510,361.95
  5. Step 5: Solve for x
    x = 319,510,361.95/19,222.76
  6. Step 6: Final answer
    x = 16,621.46

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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.