Home / 19,810.60-27,338.52-10,858.48

Finding the Fourth Proportional to 19,810.60, 27,338.52 and 10,858.48

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Solution

The fourth proportional to 19,810.60, 27,338.52 and 10,858.48 is: 14,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.60 : 27,338.52 = 10,858.48 : x
  2. Step 2: Convert to fraction form
    19,810.60/27,338.52 = 10,858.48/x
  3. Step 3: Cross multiply
    19,810.60x = 27,338.52 × 10,858.48
  4. Step 4: Simplify right side
    19,810.60x = 296,854,772.65
  5. Step 5: Solve for x
    x = 296,854,772.65/19,810.60
  6. Step 6: Final answer
    x = 14,984.64

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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.