Home / 19,509.09-29,266.70-6,358.40

Finding the Fourth Proportional to 19,509.09, 29,266.70 and 6,358.40

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Solution

The fourth proportional to 19,509.09, 29,266.70 and 6,358.40 is: 9,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.09 : 29,266.70 = 6,358.40 : x
  2. Step 2: Convert to fraction form
    19,509.09/29,266.70 = 6,358.40/x
  3. Step 3: Cross multiply
    19,509.09x = 29,266.70 × 6,358.40
  4. Step 4: Simplify right side
    19,509.09x = 186,089,207.15
  5. Step 5: Solve for x
    x = 186,089,207.15/19,509.09
  6. Step 6: Final answer
    x = 9,538.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.