Home / 19,590.81-27,035.37-10,638.46

Finding the Fourth Proportional to 19,590.81, 27,035.37 and 10,638.46

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Solution

The fourth proportional to 19,590.81, 27,035.37 and 10,638.46 is: 14,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.81 : 27,035.37 = 10,638.46 : x
  2. Step 2: Convert to fraction form
    19,590.81/27,035.37 = 10,638.46/x
  3. Step 3: Cross multiply
    19,590.81x = 27,035.37 × 10,638.46
  4. Step 4: Simplify right side
    19,590.81x = 287,614,736.12
  5. Step 5: Solve for x
    x = 287,614,736.12/19,590.81
  6. Step 6: Final answer
    x = 14,681.11

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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.