Home / 19,017.72-26,250.03-12,303.63

Finding the Fourth Proportional to 19,017.72, 26,250.03 and 12,303.63

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Solution

The fourth proportional to 19,017.72, 26,250.03 and 12,303.63 is: 16,982.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.72 : 26,250.03 = 12,303.63 : x
  2. Step 2: Convert to fraction form
    19,017.72/26,250.03 = 12,303.63/x
  3. Step 3: Cross multiply
    19,017.72x = 26,250.03 × 12,303.63
  4. Step 4: Simplify right side
    19,017.72x = 322,970,656.61
  5. Step 5: Solve for x
    x = 322,970,656.61/19,017.72
  6. Step 6: Final answer
    x = 16,982.62

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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.