Home / 19,066.32-28,438.74-18,483.12

Finding the Fourth Proportional to 19,066.32, 28,438.74 and 18,483.12

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Solution

The fourth proportional to 19,066.32, 28,438.74 and 18,483.12 is: 27,568.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.32 : 28,438.74 = 18,483.12 : x
  2. Step 2: Convert to fraction form
    19,066.32/28,438.74 = 18,483.12/x
  3. Step 3: Cross multiply
    19,066.32x = 28,438.74 × 18,483.12
  4. Step 4: Simplify right side
    19,066.32x = 525,636,644.07
  5. Step 5: Solve for x
    x = 525,636,644.07/19,066.32
  6. Step 6: Final answer
    x = 27,568.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.