Home / 19,948.02-27,525-12,784.29

Finding the Fourth Proportional to 19,948.02, 27,525 and 12,784.29

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Solution

The fourth proportional to 19,948.02, 27,525 and 12,784.29 is: 17,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.02 : 27,525 = 12,784.29 : x
  2. Step 2: Convert to fraction form
    19,948.02/27,525 = 12,784.29/x
  3. Step 3: Cross multiply
    19,948.02x = 27,525 × 12,784.29
  4. Step 4: Simplify right side
    19,948.02x = 351,887,582.25
  5. Step 5: Solve for x
    x = 351,887,582.25/19,948.02
  6. Step 6: Final answer
    x = 17,640.23

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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.