Home / 13,464.48-18,575.97-13,443.69

Finding the Fourth Proportional to 13,464.48, 18,575.97 and 13,443.69

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Solution

The fourth proportional to 13,464.48, 18,575.97 and 13,443.69 is: 18,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.48 : 18,575.97 = 13,443.69 : x
  2. Step 2: Convert to fraction form
    13,464.48/18,575.97 = 13,443.69/x
  3. Step 3: Cross multiply
    13,464.48x = 18,575.97 × 13,443.69
  4. Step 4: Simplify right side
    13,464.48x = 249,729,582.13
  5. Step 5: Solve for x
    x = 249,729,582.13/13,464.48
  6. Step 6: Final answer
    x = 18,547.29

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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.