Home / 19,735.47-27,235.31-10,783.35

Finding the Fourth Proportional to 19,735.47, 27,235.31 and 10,783.35

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Solution

The fourth proportional to 19,735.47, 27,235.31 and 10,783.35 is: 14,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.47 : 27,235.31 = 10,783.35 : x
  2. Step 2: Convert to fraction form
    19,735.47/27,235.31 = 10,783.35/x
  3. Step 3: Cross multiply
    19,735.47x = 27,235.31 × 10,783.35
  4. Step 4: Simplify right side
    19,735.47x = 293,687,826.17
  5. Step 5: Solve for x
    x = 293,687,826.17/19,735.47
  6. Step 6: Final answer
    x = 14,881.22

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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.