Home / 12,941.51-19,316.23-11,154.92

Finding the Fourth Proportional to 12,941.51, 19,316.23 and 11,154.92

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Solution

The fourth proportional to 12,941.51, 19,316.23 and 11,154.92 is: 16,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.51 : 19,316.23 = 11,154.92 : x
  2. Step 2: Convert to fraction form
    12,941.51/19,316.23 = 11,154.92/x
  3. Step 3: Cross multiply
    12,941.51x = 19,316.23 × 11,154.92
  4. Step 4: Simplify right side
    12,941.51x = 215,470,875.88
  5. Step 5: Solve for x
    x = 215,470,875.88/12,941.51
  6. Step 6: Final answer
    x = 16,649.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.