Home / 21,750.02-30,075.44-17,265.99

Finding the Fourth Proportional to 21,750.02, 30,075.44 and 17,265.99

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Solution

The fourth proportional to 21,750.02, 30,075.44 and 17,265.99 is: 23,875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.02 : 30,075.44 = 17,265.99 : x
  2. Step 2: Convert to fraction form
    21,750.02/30,075.44 = 17,265.99/x
  3. Step 3: Cross multiply
    21,750.02x = 30,075.44 × 17,265.99
  4. Step 4: Simplify right side
    21,750.02x = 519,282,159.96
  5. Step 5: Solve for x
    x = 519,282,159.96/21,750.02
  6. Step 6: Final answer
    x = 23,875.03

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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.