Home / 22,041.04-30,403.08-15,742.48

Finding the Fourth Proportional to 22,041.04, 30,403.08 and 15,742.48

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Solution

The fourth proportional to 22,041.04, 30,403.08 and 15,742.48 is: 21,714.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,041.04 : 30,403.08 = 15,742.48 : x
  2. Step 2: Convert to fraction form
    22,041.04/30,403.08 = 15,742.48/x
  3. Step 3: Cross multiply
    22,041.04x = 30,403.08 × 15,742.48
  4. Step 4: Simplify right side
    22,041.04x = 478,619,878.84
  5. Step 5: Solve for x
    x = 478,619,878.84/22,041.04
  6. Step 6: Final answer
    x = 21,714.94

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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.