Home / 13,854.70-19,119.47-7,567.07

Finding the Fourth Proportional to 13,854.70, 19,119.47 and 7,567.07

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Solution

The fourth proportional to 13,854.70, 19,119.47 and 7,567.07 is: 10,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854.70 : 19,119.47 = 7,567.07 : x
  2. Step 2: Convert to fraction form
    13,854.70/19,119.47 = 7,567.07/x
  3. Step 3: Cross multiply
    13,854.70x = 19,119.47 × 7,567.07
  4. Step 4: Simplify right side
    13,854.70x = 144,678,330.02
  5. Step 5: Solve for x
    x = 144,678,330.02/13,854.70
  6. Step 6: Final answer
    x = 10,442.55

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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.