Home / 15,904.04-21,946.02-8,828.84

Finding the Fourth Proportional to 15,904.04, 21,946.02 and 8,828.84

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Solution

The fourth proportional to 15,904.04, 21,946.02 and 8,828.84 is: 12,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.04 : 21,946.02 = 8,828.84 : x
  2. Step 2: Convert to fraction form
    15,904.04/21,946.02 = 8,828.84/x
  3. Step 3: Cross multiply
    15,904.04x = 21,946.02 × 8,828.84
  4. Step 4: Simplify right side
    15,904.04x = 193,757,899.22
  5. Step 5: Solve for x
    x = 193,757,899.22/15,904.04
  6. Step 6: Final answer
    x = 12,182.94

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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.