Home / 19,931.64-27,506.84-11,433.70

Finding the Fourth Proportional to 19,931.64, 27,506.84 and 11,433.70

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Solution

The fourth proportional to 19,931.64, 27,506.84 and 11,433.70 is: 15,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.64 : 27,506.84 = 11,433.70 : x
  2. Step 2: Convert to fraction form
    19,931.64/27,506.84 = 11,433.70/x
  3. Step 3: Cross multiply
    19,931.64x = 27,506.84 × 11,433.70
  4. Step 4: Simplify right side
    19,931.64x = 314,504,956.51
  5. Step 5: Solve for x
    x = 314,504,956.51/19,931.64
  6. Step 6: Final answer
    x = 15,779.19

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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.