Home / 13,992.48-19,312.02-9,513.18

Finding the Fourth Proportional to 13,992.48, 19,312.02 and 9,513.18

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Solution

The fourth proportional to 13,992.48, 19,312.02 and 9,513.18 is: 13,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.48 : 19,312.02 = 9,513.18 : x
  2. Step 2: Convert to fraction form
    13,992.48/19,312.02 = 9,513.18/x
  3. Step 3: Cross multiply
    13,992.48x = 19,312.02 × 9,513.18
  4. Step 4: Simplify right side
    13,992.48x = 183,718,722.42
  5. Step 5: Solve for x
    x = 183,718,722.42/13,992.48
  6. Step 6: Final answer
    x = 13,129.82

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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.