Home / 16,875.54-25,306.02-6,480

Finding the Fourth Proportional to 16,875.54, 25,306.02 and 6,480

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Solution

The fourth proportional to 16,875.54, 25,306.02 and 6,480 is: 9,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.54 : 25,306.02 = 6,480 : x
  2. Step 2: Convert to fraction form
    16,875.54/25,306.02 = 6,480/x
  3. Step 3: Cross multiply
    16,875.54x = 25,306.02 × 6,480
  4. Step 4: Simplify right side
    16,875.54x = 163,983,009.60
  5. Step 5: Solve for x
    x = 163,983,009.60/16,875.54
  6. Step 6: Final answer
    x = 9,717.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.