Home / 19,455.34-26,848.90-11,901.53

Finding the Fourth Proportional to 19,455.34, 26,848.90 and 11,901.53

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Solution

The fourth proportional to 19,455.34, 26,848.90 and 11,901.53 is: 16,424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.34 : 26,848.90 = 11,901.53 : x
  2. Step 2: Convert to fraction form
    19,455.34/26,848.90 = 11,901.53/x
  3. Step 3: Cross multiply
    19,455.34x = 26,848.90 × 11,901.53
  4. Step 4: Simplify right side
    19,455.34x = 319,542,988.82
  5. Step 5: Solve for x
    x = 319,542,988.82/19,455.34
  6. Step 6: Final answer
    x = 16,424.44

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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.