Home / 19,289.78-26,624.76-10,911.14

Finding the Fourth Proportional to 19,289.78, 26,624.76 and 10,911.14

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Solution

The fourth proportional to 19,289.78, 26,624.76 and 10,911.14 is: 15,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.78 : 26,624.76 = 10,911.14 : x
  2. Step 2: Convert to fraction form
    19,289.78/26,624.76 = 10,911.14/x
  3. Step 3: Cross multiply
    19,289.78x = 26,624.76 × 10,911.14
  4. Step 4: Simplify right side
    19,289.78x = 290,506,483.83
  5. Step 5: Solve for x
    x = 290,506,483.83/19,289.78
  6. Step 6: Final answer
    x = 15,060.12

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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.