Home / 19,599.47-27,036.91-12,416.72

Finding the Fourth Proportional to 19,599.47, 27,036.91 and 12,416.72

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Solution

The fourth proportional to 19,599.47, 27,036.91 and 12,416.72 is: 17,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.47 : 27,036.91 = 12,416.72 : x
  2. Step 2: Convert to fraction form
    19,599.47/27,036.91 = 12,416.72/x
  3. Step 3: Cross multiply
    19,599.47x = 27,036.91 × 12,416.72
  4. Step 4: Simplify right side
    19,599.47x = 335,709,741.14
  5. Step 5: Solve for x
    x = 335,709,741.14/19,599.47
  6. Step 6: Final answer
    x = 17,128.51

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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.