Home / 19,437.68-26,799.47-12,712.65

Finding the Fourth Proportional to 19,437.68, 26,799.47 and 12,712.65

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Solution

The fourth proportional to 19,437.68, 26,799.47 and 12,712.65 is: 17,527.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,437.68 : 26,799.47 = 12,712.65 : x
  2. Step 2: Convert to fraction form
    19,437.68/26,799.47 = 12,712.65/x
  3. Step 3: Cross multiply
    19,437.68x = 26,799.47 × 12,712.65
  4. Step 4: Simplify right side
    19,437.68x = 340,692,282.30
  5. Step 5: Solve for x
    x = 340,692,282.30/19,437.68
  6. Step 6: Final answer
    x = 17,527.41

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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.