Home / 21,817.12-30,094.32-16,532.32

Finding the Fourth Proportional to 21,817.12, 30,094.32 and 16,532.32

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Solution

The fourth proportional to 21,817.12, 30,094.32 and 16,532.32 is: 22,804.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,817.12 : 30,094.32 = 16,532.32 : x
  2. Step 2: Convert to fraction form
    21,817.12/30,094.32 = 16,532.32/x
  3. Step 3: Cross multiply
    21,817.12x = 30,094.32 × 16,532.32
  4. Step 4: Simplify right side
    21,817.12x = 497,528,928.42
  5. Step 5: Solve for x
    x = 497,528,928.42/21,817.12
  6. Step 6: Final answer
    x = 22,804.52

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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.