Home / 19,442.42-26,830.22-10,828.52

Finding the Fourth Proportional to 19,442.42, 26,830.22 and 10,828.52

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Solution

The fourth proportional to 19,442.42, 26,830.22 and 10,828.52 is: 14,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,442.42 : 26,830.22 = 10,828.52 : x
  2. Step 2: Convert to fraction form
    19,442.42/26,830.22 = 10,828.52/x
  3. Step 3: Cross multiply
    19,442.42x = 26,830.22 × 10,828.52
  4. Step 4: Simplify right side
    19,442.42x = 290,531,573.87
  5. Step 5: Solve for x
    x = 290,531,573.87/19,442.42
  6. Step 6: Final answer
    x = 14,943.18

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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.