Home / 25,331.02-34,955.71-13,999.93

Finding the Fourth Proportional to 25,331.02, 34,955.71 and 13,999.93

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Solution

The fourth proportional to 25,331.02, 34,955.71 and 13,999.93 is: 19,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,331.02 : 34,955.71 = 13,999.93 : x
  2. Step 2: Convert to fraction form
    25,331.02/34,955.71 = 13,999.93/x
  3. Step 3: Cross multiply
    25,331.02x = 34,955.71 × 13,999.93
  4. Step 4: Simplify right side
    25,331.02x = 489,377,493.10
  5. Step 5: Solve for x
    x = 489,377,493.10/25,331.02
  6. Step 6: Final answer
    x = 19,319.30

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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.