Home / 19,080.66-26,294.57-12,700.09

Finding the Fourth Proportional to 19,080.66, 26,294.57 and 12,700.09

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Solution

The fourth proportional to 19,080.66, 26,294.57 and 12,700.09 is: 17,501.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.66 : 26,294.57 = 12,700.09 : x
  2. Step 2: Convert to fraction form
    19,080.66/26,294.57 = 12,700.09/x
  3. Step 3: Cross multiply
    19,080.66x = 26,294.57 × 12,700.09
  4. Step 4: Simplify right side
    19,080.66x = 333,943,493.94
  5. Step 5: Solve for x
    x = 333,943,493.94/19,080.66
  6. Step 6: Final answer
    x = 17,501.67

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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.