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Finding the Fourth Proportional to 19,392.51, 26,758.74 and 10,893

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Solution

The fourth proportional to 19,392.51, 26,758.74 and 10,893 is: 15,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.51 : 26,758.74 = 10,893 : x
  2. Step 2: Convert to fraction form
    19,392.51/26,758.74 = 10,893/x
  3. Step 3: Cross multiply
    19,392.51x = 26,758.74 × 10,893
  4. Step 4: Simplify right side
    19,392.51x = 291,482,954.82
  5. Step 5: Solve for x
    x = 291,482,954.82/19,392.51
  6. Step 6: Final answer
    x = 15,030.70

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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.