Home / 21,637.02-29,852.28-17,085.36

Finding the Fourth Proportional to 21,637.02, 29,852.28 and 17,085.36

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Solution

The fourth proportional to 21,637.02, 29,852.28 and 17,085.36 is: 23,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,637.02 : 29,852.28 = 17,085.36 : x
  2. Step 2: Convert to fraction form
    21,637.02/29,852.28 = 17,085.36/x
  3. Step 3: Cross multiply
    21,637.02x = 29,852.28 × 17,085.36
  4. Step 4: Simplify right side
    21,637.02x = 510,036,950.62
  5. Step 5: Solve for x
    x = 510,036,950.62/21,637.02
  6. Step 6: Final answer
    x = 23,572.42

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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.