Home / 14,210.83-19,600.81-12,319.03

Finding the Fourth Proportional to 14,210.83, 19,600.81 and 12,319.03

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Solution

The fourth proportional to 14,210.83, 19,600.81 and 12,319.03 is: 16,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.83 : 19,600.81 = 12,319.03 : x
  2. Step 2: Convert to fraction form
    14,210.83/19,600.81 = 12,319.03/x
  3. Step 3: Cross multiply
    14,210.83x = 19,600.81 × 12,319.03
  4. Step 4: Simplify right side
    14,210.83x = 241,462,966.41
  5. Step 5: Solve for x
    x = 241,462,966.41/14,210.83
  6. Step 6: Final answer
    x = 16,991.48

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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.