Home / 19,317.40-26,657.55-11,360.14

Finding the Fourth Proportional to 19,317.40, 26,657.55 and 11,360.14

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Solution

The fourth proportional to 19,317.40, 26,657.55 and 11,360.14 is: 15,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.40 : 26,657.55 = 11,360.14 : x
  2. Step 2: Convert to fraction form
    19,317.40/26,657.55 = 11,360.14/x
  3. Step 3: Cross multiply
    19,317.40x = 26,657.55 × 11,360.14
  4. Step 4: Simplify right side
    19,317.40x = 302,833,500.06
  5. Step 5: Solve for x
    x = 302,833,500.06/19,317.40
  6. Step 6: Final answer
    x = 15,676.72

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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.