Home / 19,154.72-26,440.65-11,199.50

Finding the Fourth Proportional to 19,154.72, 26,440.65 and 11,199.50

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Solution

The fourth proportional to 19,154.72, 26,440.65 and 11,199.50 is: 15,459.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.72 : 26,440.65 = 11,199.50 : x
  2. Step 2: Convert to fraction form
    19,154.72/26,440.65 = 11,199.50/x
  3. Step 3: Cross multiply
    19,154.72x = 26,440.65 × 11,199.50
  4. Step 4: Simplify right side
    19,154.72x = 296,121,927.47
  5. Step 5: Solve for x
    x = 296,121,927.47/19,154.72
  6. Step 6: Final answer
    x = 15,459.48

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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.