Home / 22,696.02-31,320.95-13,270.05

Finding the Fourth Proportional to 22,696.02, 31,320.95 and 13,270.05

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Solution

The fourth proportional to 22,696.02, 31,320.95 and 13,270.05 is: 18,312.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,696.02 : 31,320.95 = 13,270.05 : x
  2. Step 2: Convert to fraction form
    22,696.02/31,320.95 = 13,270.05/x
  3. Step 3: Cross multiply
    22,696.02x = 31,320.95 × 13,270.05
  4. Step 4: Simplify right side
    22,696.02x = 415,630,506.20
  5. Step 5: Solve for x
    x = 415,630,506.20/22,696.02
  6. Step 6: Final answer
    x = 18,312.92

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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.