Home / 19,186.58-26,476.76-10,688.50

Finding the Fourth Proportional to 19,186.58, 26,476.76 and 10,688.50

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Solution

The fourth proportional to 19,186.58, 26,476.76 and 10,688.50 is: 14,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.58 : 26,476.76 = 10,688.50 : x
  2. Step 2: Convert to fraction form
    19,186.58/26,476.76 = 10,688.50/x
  3. Step 3: Cross multiply
    19,186.58x = 26,476.76 × 10,688.50
  4. Step 4: Simplify right side
    19,186.58x = 282,996,849.26
  5. Step 5: Solve for x
    x = 282,996,849.26/19,186.58
  6. Step 6: Final answer
    x = 14,749.73

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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.