Home / 19,458.84-26,852.76-11,905.32

Finding the Fourth Proportional to 19,458.84, 26,852.76 and 11,905.32

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Solution

The fourth proportional to 19,458.84, 26,852.76 and 11,905.32 is: 16,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.84 : 26,852.76 = 11,905.32 : x
  2. Step 2: Convert to fraction form
    19,458.84/26,852.76 = 11,905.32/x
  3. Step 3: Cross multiply
    19,458.84x = 26,852.76 × 11,905.32
  4. Step 4: Simplify right side
    19,458.84x = 319,690,700.68
  5. Step 5: Solve for x
    x = 319,690,700.68/19,458.84
  6. Step 6: Final answer
    x = 16,429.07

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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.