Home / 15,054.16-20,774.40-9,748.84

Finding the Fourth Proportional to 15,054.16, 20,774.40 and 9,748.84

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Solution

The fourth proportional to 15,054.16, 20,774.40 and 9,748.84 is: 13,453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.16 : 20,774.40 = 9,748.84 : x
  2. Step 2: Convert to fraction form
    15,054.16/20,774.40 = 9,748.84/x
  3. Step 3: Cross multiply
    15,054.16x = 20,774.40 × 9,748.84
  4. Step 4: Simplify right side
    15,054.16x = 202,526,301.70
  5. Step 5: Solve for x
    x = 202,526,301.70/15,054.16
  6. Step 6: Final answer
    x = 13,453.18

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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.