Home / 19,000.55-28,506.59-13,464.60

Finding the Fourth Proportional to 19,000.55, 28,506.59 and 13,464.60

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Solution

The fourth proportional to 19,000.55, 28,506.59 and 13,464.60 is: 20,200.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.55 : 28,506.59 = 13,464.60 : x
  2. Step 2: Convert to fraction form
    19,000.55/28,506.59 = 13,464.60/x
  3. Step 3: Cross multiply
    19,000.55x = 28,506.59 × 13,464.60
  4. Step 4: Simplify right side
    19,000.55x = 383,829,831.71
  5. Step 5: Solve for x
    x = 383,829,831.71/19,000.55
  6. Step 6: Final answer
    x = 20,200.99

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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.