Home / 13,125.83-19,688.47-4,360.82

Finding the Fourth Proportional to 13,125.83, 19,688.47 and 4,360.82

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Solution

The fourth proportional to 13,125.83, 19,688.47 and 4,360.82 is: 6,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.83 : 19,688.47 = 4,360.82 : x
  2. Step 2: Convert to fraction form
    13,125.83/19,688.47 = 4,360.82/x
  3. Step 3: Cross multiply
    13,125.83x = 19,688.47 × 4,360.82
  4. Step 4: Simplify right side
    13,125.83x = 85,857,873.75
  5. Step 5: Solve for x
    x = 85,857,873.75/13,125.83
  6. Step 6: Final answer
    x = 6,541.14

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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.