Home / 13,033.64-19,547.47-7,770.14

Finding the Fourth Proportional to 13,033.64, 19,547.47 and 7,770.14

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Solution

The fourth proportional to 13,033.64, 19,547.47 and 7,770.14 is: 11,653.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033.64 : 19,547.47 = 7,770.14 : x
  2. Step 2: Convert to fraction form
    13,033.64/19,547.47 = 7,770.14/x
  3. Step 3: Cross multiply
    13,033.64x = 19,547.47 × 7,770.14
  4. Step 4: Simplify right side
    13,033.64x = 151,886,539.70
  5. Step 5: Solve for x
    x = 151,886,539.70/13,033.64
  6. Step 6: Final answer
    x = 11,653.42

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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.