Home / 19,080.72-26,339.64-17,885.16

Finding the Fourth Proportional to 19,080.72, 26,339.64 and 17,885.16

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Solution

The fourth proportional to 19,080.72, 26,339.64 and 17,885.16 is: 24,689.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.72 : 26,339.64 = 17,885.16 : x
  2. Step 2: Convert to fraction form
    19,080.72/26,339.64 = 17,885.16/x
  3. Step 3: Cross multiply
    19,080.72x = 26,339.64 × 17,885.16
  4. Step 4: Simplify right side
    19,080.72x = 471,088,675.74
  5. Step 5: Solve for x
    x = 471,088,675.74/19,080.72
  6. Step 6: Final answer
    x = 24,689.25

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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.