Home / 13,154.58-19,733.94-5,257.08

Finding the Fourth Proportional to 13,154.58, 19,733.94 and 5,257.08

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Solution

The fourth proportional to 13,154.58, 19,733.94 and 5,257.08 is: 7,886.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.58 : 19,733.94 = 5,257.08 : x
  2. Step 2: Convert to fraction form
    13,154.58/19,733.94 = 5,257.08/x
  3. Step 3: Cross multiply
    13,154.58x = 19,733.94 × 5,257.08
  4. Step 4: Simplify right side
    13,154.58x = 103,742,901.30
  5. Step 5: Solve for x
    x = 103,742,901.30/13,154.58
  6. Step 6: Final answer
    x = 7,886.45

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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.