Home / 13,854.16-19,119.18-7,566.76

Finding the Fourth Proportional to 13,854.16, 19,119.18 and 7,566.76

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Solution

The fourth proportional to 13,854.16, 19,119.18 and 7,566.76 is: 10,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.16 : 19,119.18 = 7,566.76 : x
  2. Step 2: Convert to fraction form
    13,854.16/19,119.18 = 7,566.76/x
  3. Step 3: Cross multiply
    13,854.16x = 19,119.18 × 7,566.76
  4. Step 4: Simplify right side
    13,854.16x = 144,670,246.46
  5. Step 5: Solve for x
    x = 144,670,246.46/13,854.16
  6. Step 6: Final answer
    x = 10,442.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.