Home / 19,578.03-27,030.69-11,622.81

Finding the Fourth Proportional to 19,578.03, 27,030.69 and 11,622.81

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Solution

The fourth proportional to 19,578.03, 27,030.69 and 11,622.81 is: 16,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.03 : 27,030.69 = 11,622.81 : x
  2. Step 2: Convert to fraction form
    19,578.03/27,030.69 = 11,622.81/x
  3. Step 3: Cross multiply
    19,578.03x = 27,030.69 × 11,622.81
  4. Step 4: Simplify right side
    19,578.03x = 314,172,574.04
  5. Step 5: Solve for x
    x = 314,172,574.04/19,578.03
  6. Step 6: Final answer
    x = 16,047.20

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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.