Home / 18,547.60-25,582.52-11,477.36

Finding the Fourth Proportional to 18,547.60, 25,582.52 and 11,477.36

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Solution

The fourth proportional to 18,547.60, 25,582.52 and 11,477.36 is: 15,830.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547.60 : 25,582.52 = 11,477.36 : x
  2. Step 2: Convert to fraction form
    18,547.60/25,582.52 = 11,477.36/x
  3. Step 3: Cross multiply
    18,547.60x = 25,582.52 × 11,477.36
  4. Step 4: Simplify right side
    18,547.60x = 293,619,791.75
  5. Step 5: Solve for x
    x = 293,619,791.75/18,547.60
  6. Step 6: Final answer
    x = 15,830.61

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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.