Home / 13,981.08-19,294.02-7,693.48

Finding the Fourth Proportional to 13,981.08, 19,294.02 and 7,693.48

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Solution

The fourth proportional to 13,981.08, 19,294.02 and 7,693.48 is: 10,617.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.08 : 19,294.02 = 7,693.48 : x
  2. Step 2: Convert to fraction form
    13,981.08/19,294.02 = 7,693.48/x
  3. Step 3: Cross multiply
    13,981.08x = 19,294.02 × 7,693.48
  4. Step 4: Simplify right side
    13,981.08x = 148,438,156.99
  5. Step 5: Solve for x
    x = 148,438,156.99/13,981.08
  6. Step 6: Final answer
    x = 10,617.07

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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.