Home / 21,322.44-29,417.04-12,364.92

Finding the Fourth Proportional to 21,322.44, 29,417.04 and 12,364.92

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Solution

The fourth proportional to 21,322.44, 29,417.04 and 12,364.92 is: 17,058.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,322.44 : 29,417.04 = 12,364.92 : x
  2. Step 2: Convert to fraction form
    21,322.44/29,417.04 = 12,364.92/x
  3. Step 3: Cross multiply
    21,322.44x = 29,417.04 × 12,364.92
  4. Step 4: Simplify right side
    21,322.44x = 363,739,346.24
  5. Step 5: Solve for x
    x = 363,739,346.24/21,322.44
  6. Step 6: Final answer
    x = 17,058.99

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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.