Home / 25,718.02-35,511-19,740.22

Finding the Fourth Proportional to 25,718.02, 35,511 and 19,740.22

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Solution

The fourth proportional to 25,718.02, 35,511 and 19,740.22 is: 27,256.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.02 : 35,511 = 19,740.22 : x
  2. Step 2: Convert to fraction form
    25,718.02/35,511 = 19,740.22/x
  3. Step 3: Cross multiply
    25,718.02x = 35,511 × 19,740.22
  4. Step 4: Simplify right side
    25,718.02x = 700,994,952.42
  5. Step 5: Solve for x
    x = 700,994,952.42/25,718.02
  6. Step 6: Final answer
    x = 27,256.96

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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.