Home / 19,037.04-28,561.40-8,515.92

Finding the Fourth Proportional to 19,037.04, 28,561.40 and 8,515.92

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Solution

The fourth proportional to 19,037.04, 28,561.40 and 8,515.92 is: 12,776.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.04 : 28,561.40 = 8,515.92 : x
  2. Step 2: Convert to fraction form
    19,037.04/28,561.40 = 8,515.92/x
  3. Step 3: Cross multiply
    19,037.04x = 28,561.40 × 8,515.92
  4. Step 4: Simplify right side
    19,037.04x = 243,226,597.49
  5. Step 5: Solve for x
    x = 243,226,597.49/19,037.04
  6. Step 6: Final answer
    x = 12,776.49

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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.