Home / 15,768.59-21,763.80-9,058.82

Finding the Fourth Proportional to 15,768.59, 21,763.80 and 9,058.82

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Solution

The fourth proportional to 15,768.59, 21,763.80 and 9,058.82 is: 12,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768.59 : 21,763.80 = 9,058.82 : x
  2. Step 2: Convert to fraction form
    15,768.59/21,763.80 = 9,058.82/x
  3. Step 3: Cross multiply
    15,768.59x = 21,763.80 × 9,058.82
  4. Step 4: Simplify right side
    15,768.59x = 197,154,237.90
  5. Step 5: Solve for x
    x = 197,154,237.90/15,768.59
  6. Step 6: Final answer
    x = 12,502.98

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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.