Home / 19,263.49-28,897.54-8,168.74

Finding the Fourth Proportional to 19,263.49, 28,897.54 and 8,168.74

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Solution

The fourth proportional to 19,263.49, 28,897.54 and 8,168.74 is: 12,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263.49 : 28,897.54 = 8,168.74 : x
  2. Step 2: Convert to fraction form
    19,263.49/28,897.54 = 8,168.74/x
  3. Step 3: Cross multiply
    19,263.49x = 28,897.54 × 8,168.74
  4. Step 4: Simplify right side
    19,263.49x = 236,056,362.11
  5. Step 5: Solve for x
    x = 236,056,362.11/19,263.49
  6. Step 6: Final answer
    x = 12,254.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.