Home / 19,068.75-26,315.64-11,111.67

Finding the Fourth Proportional to 19,068.75, 26,315.64 and 11,111.67

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Solution

The fourth proportional to 19,068.75, 26,315.64 and 11,111.67 is: 15,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.75 : 26,315.64 = 11,111.67 : x
  2. Step 2: Convert to fraction form
    19,068.75/26,315.64 = 11,111.67/x
  3. Step 3: Cross multiply
    19,068.75x = 26,315.64 × 11,111.67
  4. Step 4: Simplify right side
    19,068.75x = 292,410,707.52
  5. Step 5: Solve for x
    x = 292,410,707.52/19,068.75
  6. Step 6: Final answer
    x = 15,334.55

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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.