Home / 25,609.95-38,313.57-19,387.92

Finding the Fourth Proportional to 25,609.95, 38,313.57 and 19,387.92

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Solution

The fourth proportional to 25,609.95, 38,313.57 and 19,387.92 is: 29,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,609.95 : 38,313.57 = 19,387.92 : x
  2. Step 2: Convert to fraction form
    25,609.95/38,313.57 = 19,387.92/x
  3. Step 3: Cross multiply
    25,609.95x = 38,313.57 × 19,387.92
  4. Step 4: Simplify right side
    25,609.95x = 742,820,430.07
  5. Step 5: Solve for x
    x = 742,820,430.07/25,609.95
  6. Step 6: Final answer
    x = 29,005.15

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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.