Home / 19,810.47-27,338.40-10,858.29

Finding the Fourth Proportional to 19,810.47, 27,338.40 and 10,858.29

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Solution

The fourth proportional to 19,810.47, 27,338.40 and 10,858.29 is: 14,984.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.47 : 27,338.40 = 10,858.29 : x
  2. Step 2: Convert to fraction form
    19,810.47/27,338.40 = 10,858.29/x
  3. Step 3: Cross multiply
    19,810.47x = 27,338.40 × 10,858.29
  4. Step 4: Simplify right side
    19,810.47x = 296,848,275.34
  5. Step 5: Solve for x
    x = 296,848,275.34/19,810.47
  6. Step 6: Final answer
    x = 14,984.41

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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.