Home / 15,643.68-23,460.64-5,253.04

Finding the Fourth Proportional to 15,643.68, 23,460.64 and 5,253.04

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Solution

The fourth proportional to 15,643.68, 23,460.64 and 5,253.04 is: 7,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.68 : 23,460.64 = 5,253.04 : x
  2. Step 2: Convert to fraction form
    15,643.68/23,460.64 = 5,253.04/x
  3. Step 3: Cross multiply
    15,643.68x = 23,460.64 × 5,253.04
  4. Step 4: Simplify right side
    15,643.68x = 123,239,680.35
  5. Step 5: Solve for x
    x = 123,239,680.35/15,643.68
  6. Step 6: Final answer
    x = 7,877.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.