Home / 19,080.90-26,330.16-10,695.78

Finding the Fourth Proportional to 19,080.90, 26,330.16 and 10,695.78

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Solution

The fourth proportional to 19,080.90, 26,330.16 and 10,695.78 is: 14,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.90 : 26,330.16 = 10,695.78 : x
  2. Step 2: Convert to fraction form
    19,080.90/26,330.16 = 10,695.78/x
  3. Step 3: Cross multiply
    19,080.90x = 26,330.16 × 10,695.78
  4. Step 4: Simplify right side
    19,080.90x = 281,621,598.72
  5. Step 5: Solve for x
    x = 281,621,598.72/19,080.90
  6. Step 6: Final answer
    x = 14,759.35

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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.