Home / 19,875.87-27,428.76-10,924.29

Finding the Fourth Proportional to 19,875.87, 27,428.76 and 10,924.29

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Solution

The fourth proportional to 19,875.87, 27,428.76 and 10,924.29 is: 15,075.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,875.87 : 27,428.76 = 10,924.29 : x
  2. Step 2: Convert to fraction form
    19,875.87/27,428.76 = 10,924.29/x
  3. Step 3: Cross multiply
    19,875.87x = 27,428.76 × 10,924.29
  4. Step 4: Simplify right side
    19,875.87x = 299,639,728.58
  5. Step 5: Solve for x
    x = 299,639,728.58/19,875.87
  6. Step 6: Final answer
    x = 15,075.55

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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.