Home / 22,303.71-30,779.51-12,232.06

Finding the Fourth Proportional to 22,303.71, 30,779.51 and 12,232.06

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Solution

The fourth proportional to 22,303.71, 30,779.51 and 12,232.06 is: 16,880.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,303.71 : 30,779.51 = 12,232.06 : x
  2. Step 2: Convert to fraction form
    22,303.71/30,779.51 = 12,232.06/x
  3. Step 3: Cross multiply
    22,303.71x = 30,779.51 × 12,232.06
  4. Step 4: Simplify right side
    22,303.71x = 376,496,922.47
  5. Step 5: Solve for x
    x = 376,496,922.47/22,303.71
  6. Step 6: Final answer
    x = 16,880.46

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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.