Home / 19,636.18-27,090.69-12,925.66

Finding the Fourth Proportional to 19,636.18, 27,090.69 and 12,925.66

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Solution

The fourth proportional to 19,636.18, 27,090.69 and 12,925.66 is: 17,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.18 : 27,090.69 = 12,925.66 : x
  2. Step 2: Convert to fraction form
    19,636.18/27,090.69 = 12,925.66/x
  3. Step 3: Cross multiply
    19,636.18x = 27,090.69 × 12,925.66
  4. Step 4: Simplify right side
    19,636.18x = 350,165,048.11
  5. Step 5: Solve for x
    x = 350,165,048.11/19,636.18
  6. Step 6: Final answer
    x = 17,832.65

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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.