Home / 19,662.32-27,133.40-10,709.68

Finding the Fourth Proportional to 19,662.32, 27,133.40 and 10,709.68

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Solution

The fourth proportional to 19,662.32, 27,133.40 and 10,709.68 is: 14,779.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662.32 : 27,133.40 = 10,709.68 : x
  2. Step 2: Convert to fraction form
    19,662.32/27,133.40 = 10,709.68/x
  3. Step 3: Cross multiply
    19,662.32x = 27,133.40 × 10,709.68
  4. Step 4: Simplify right side
    19,662.32x = 290,590,031.31
  5. Step 5: Solve for x
    x = 290,590,031.31/19,662.32
  6. Step 6: Final answer
    x = 14,779.03

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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.