Home / 19,875.02-27,428.04-10,922.99

Finding the Fourth Proportional to 19,875.02, 27,428.04 and 10,922.99

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Solution

The fourth proportional to 19,875.02, 27,428.04 and 10,922.99 is: 15,074.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.02 : 27,428.04 = 10,922.99 : x
  2. Step 2: Convert to fraction form
    19,875.02/27,428.04 = 10,922.99/x
  3. Step 3: Cross multiply
    19,875.02x = 27,428.04 × 10,922.99
  4. Step 4: Simplify right side
    19,875.02x = 299,596,069.50
  5. Step 5: Solve for x
    x = 299,596,069.50/19,875.02
  6. Step 6: Final answer
    x = 15,074.00

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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.