Home / 19,931.04-27,504.72-11,547.36

Finding the Fourth Proportional to 19,931.04, 27,504.72 and 11,547.36

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Solution

The fourth proportional to 19,931.04, 27,504.72 and 11,547.36 is: 15,935.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.04 : 27,504.72 = 11,547.36 : x
  2. Step 2: Convert to fraction form
    19,931.04/27,504.72 = 11,547.36/x
  3. Step 3: Cross multiply
    19,931.04x = 27,504.72 × 11,547.36
  4. Step 4: Simplify right side
    19,931.04x = 317,606,903.54
  5. Step 5: Solve for x
    x = 317,606,903.54/19,931.04
  6. Step 6: Final answer
    x = 15,935.29

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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.