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Finding the Fourth Proportional to 19,353.58, 26,710.98 and 10,859.14

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Solution

The fourth proportional to 19,353.58, 26,710.98 and 10,859.14 is: 14,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.58 : 26,710.98 = 10,859.14 : x
  2. Step 2: Convert to fraction form
    19,353.58/26,710.98 = 10,859.14/x
  3. Step 3: Cross multiply
    19,353.58x = 26,710.98 × 10,859.14
  4. Step 4: Simplify right side
    19,353.58x = 290,058,271.36
  5. Step 5: Solve for x
    x = 290,058,271.36/19,353.58
  6. Step 6: Final answer
    x = 14,987.32

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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.