Home / 15,763.68-21,754.08-10,184.40

Finding the Fourth Proportional to 15,763.68, 21,754.08 and 10,184.40

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Solution

The fourth proportional to 15,763.68, 21,754.08 and 10,184.40 is: 14,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763.68 : 21,754.08 = 10,184.40 : x
  2. Step 2: Convert to fraction form
    15,763.68/21,754.08 = 10,184.40/x
  3. Step 3: Cross multiply
    15,763.68x = 21,754.08 × 10,184.40
  4. Step 4: Simplify right side
    15,763.68x = 221,552,252.35
  5. Step 5: Solve for x
    x = 221,552,252.35/15,763.68
  6. Step 6: Final answer
    x = 14,054.60

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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.