Home / 30,186.63-41,663.46-19,277.76

Finding the Fourth Proportional to 30,186.63, 41,663.46 and 19,277.76

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Solution

The fourth proportional to 30,186.63, 41,663.46 and 19,277.76 is: 26,607.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186.63 : 41,663.46 = 19,277.76 : x
  2. Step 2: Convert to fraction form
    30,186.63/41,663.46 = 19,277.76/x
  3. Step 3: Cross multiply
    30,186.63x = 41,663.46 × 19,277.76
  4. Step 4: Simplify right side
    30,186.63x = 803,178,182.65
  5. Step 5: Solve for x
    x = 803,178,182.65/30,186.63
  6. Step 6: Final answer
    x = 26,607.08

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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.