Home / 19,186.76-26,477.32-10,688.87

Finding the Fourth Proportional to 19,186.76, 26,477.32 and 10,688.87

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Solution

The fourth proportional to 19,186.76, 26,477.32 and 10,688.87 is: 14,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.76 : 26,477.32 = 10,688.87 : x
  2. Step 2: Convert to fraction form
    19,186.76/26,477.32 = 10,688.87/x
  3. Step 3: Cross multiply
    19,186.76x = 26,477.32 × 10,688.87
  4. Step 4: Simplify right side
    19,186.76x = 283,012,499.04
  5. Step 5: Solve for x
    x = 283,012,499.04/19,186.76
  6. Step 6: Final answer
    x = 14,750.41

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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.