Home / 19,346.36-28,970.24-12,752.55

Finding the Fourth Proportional to 19,346.36, 28,970.24 and 12,752.55

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Solution

The fourth proportional to 19,346.36, 28,970.24 and 12,752.55 is: 19,096.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.36 : 28,970.24 = 12,752.55 : x
  2. Step 2: Convert to fraction form
    19,346.36/28,970.24 = 12,752.55/x
  3. Step 3: Cross multiply
    19,346.36x = 28,970.24 × 12,752.55
  4. Step 4: Simplify right side
    19,346.36x = 369,444,370.35
  5. Step 5: Solve for x
    x = 369,444,370.35/19,346.36
  6. Step 6: Final answer
    x = 19,096.33

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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.