Home / 18,052.51-27,068.76-7,386.36

Finding the Fourth Proportional to 18,052.51, 27,068.76 and 7,386.36

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Solution

The fourth proportional to 18,052.51, 27,068.76 and 7,386.36 is: 11,075.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,052.51 : 27,068.76 = 7,386.36 : x
  2. Step 2: Convert to fraction form
    18,052.51/27,068.76 = 7,386.36/x
  3. Step 3: Cross multiply
    18,052.51x = 27,068.76 × 7,386.36
  4. Step 4: Simplify right side
    18,052.51x = 199,939,606.11
  5. Step 5: Solve for x
    x = 199,939,606.11/18,052.51
  6. Step 6: Final answer
    x = 11,075.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.