Home / 19,254.15-28,829.07-10,000.71

Finding the Fourth Proportional to 19,254.15, 28,829.07 and 10,000.71

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Solution

The fourth proportional to 19,254.15, 28,829.07 and 10,000.71 is: 14,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254.15 : 28,829.07 = 10,000.71 : x
  2. Step 2: Convert to fraction form
    19,254.15/28,829.07 = 10,000.71/x
  3. Step 3: Cross multiply
    19,254.15x = 28,829.07 × 10,000.71
  4. Step 4: Simplify right side
    19,254.15x = 288,311,168.64
  5. Step 5: Solve for x
    x = 288,311,168.64/19,254.15
  6. Step 6: Final answer
    x = 14,973.98

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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.