Home / 19,762.80-27,273.29-10,810.55

Finding the Fourth Proportional to 19,762.80, 27,273.29 and 10,810.55

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Solution

The fourth proportional to 19,762.80, 27,273.29 and 10,810.55 is: 14,918.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762.80 : 27,273.29 = 10,810.55 : x
  2. Step 2: Convert to fraction form
    19,762.80/27,273.29 = 10,810.55/x
  3. Step 3: Cross multiply
    19,762.80x = 27,273.29 × 10,810.55
  4. Step 4: Simplify right side
    19,762.80x = 294,839,074.79
  5. Step 5: Solve for x
    x = 294,839,074.79/19,762.80
  6. Step 6: Final answer
    x = 14,918.89

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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.