Home / 34,215.09-47,216.35-19,107.98

Finding the Fourth Proportional to 34,215.09, 47,216.35 and 19,107.98

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Solution

The fourth proportional to 34,215.09, 47,216.35 and 19,107.98 is: 26,368.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,215.09 : 47,216.35 = 19,107.98 : x
  2. Step 2: Convert to fraction form
    34,215.09/47,216.35 = 19,107.98/x
  3. Step 3: Cross multiply
    34,215.09x = 47,216.35 × 19,107.98
  4. Step 4: Simplify right side
    34,215.09x = 902,209,071.47
  5. Step 5: Solve for x
    x = 902,209,071.47/34,215.09
  6. Step 6: Final answer
    x = 26,368.75

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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.