Home / 19,068.21-28,598.27-12,038.81

Finding the Fourth Proportional to 19,068.21, 28,598.27 and 12,038.81

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Solution

The fourth proportional to 19,068.21, 28,598.27 and 12,038.81 is: 18,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.21 : 28,598.27 = 12,038.81 : x
  2. Step 2: Convert to fraction form
    19,068.21/28,598.27 = 12,038.81/x
  3. Step 3: Cross multiply
    19,068.21x = 28,598.27 × 12,038.81
  4. Step 4: Simplify right side
    19,068.21x = 344,288,935.67
  5. Step 5: Solve for x
    x = 344,288,935.67/19,068.21
  6. Step 6: Final answer
    x = 18,055.65

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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.