Home / 15,259.24-21,059.49-9,294.40

Finding the Fourth Proportional to 15,259.24, 21,059.49 and 9,294.40

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Solution

The fourth proportional to 15,259.24, 21,059.49 and 9,294.40 is: 12,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.24 : 21,059.49 = 9,294.40 : x
  2. Step 2: Convert to fraction form
    15,259.24/21,059.49 = 9,294.40/x
  3. Step 3: Cross multiply
    15,259.24x = 21,059.49 × 9,294.40
  4. Step 4: Simplify right side
    15,259.24x = 195,735,323.86
  5. Step 5: Solve for x
    x = 195,735,323.86/15,259.24
  6. Step 6: Final answer
    x = 12,827.33

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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.