Home / 34,386.81-47,453.90-19,074.45

Finding the Fourth Proportional to 34,386.81, 47,453.90 and 19,074.45

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Solution

The fourth proportional to 34,386.81, 47,453.90 and 19,074.45 is: 26,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,386.81 : 47,453.90 = 19,074.45 : x
  2. Step 2: Convert to fraction form
    34,386.81/47,453.90 = 19,074.45/x
  3. Step 3: Cross multiply
    34,386.81x = 47,453.90 × 19,074.45
  4. Step 4: Simplify right side
    34,386.81x = 905,156,947.48
  5. Step 5: Solve for x
    x = 905,156,947.48/34,386.81
  6. Step 6: Final answer
    x = 26,322.79

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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.