Home / 19,661.95-27,133.97-10,709.93

Finding the Fourth Proportional to 19,661.95, 27,133.97 and 10,709.93

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Solution

The fourth proportional to 19,661.95, 27,133.97 and 10,709.93 is: 14,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.95 : 27,133.97 = 10,709.93 : x
  2. Step 2: Convert to fraction form
    19,661.95/27,133.97 = 10,709.93/x
  3. Step 3: Cross multiply
    19,661.95x = 27,133.97 × 10,709.93
  4. Step 4: Simplify right side
    19,661.95x = 290,602,919.32
  5. Step 5: Solve for x
    x = 290,602,919.32/19,661.95
  6. Step 6: Final answer
    x = 14,779.96

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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.