Home / 16,358.48-22,531.68-12,574.40

Finding the Fourth Proportional to 16,358.48, 22,531.68 and 12,574.40

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Solution

The fourth proportional to 16,358.48, 22,531.68 and 12,574.40 is: 17,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,358.48 : 22,531.68 = 12,574.40 : x
  2. Step 2: Convert to fraction form
    16,358.48/22,531.68 = 12,574.40/x
  3. Step 3: Cross multiply
    16,358.48x = 22,531.68 × 12,574.40
  4. Step 4: Simplify right side
    16,358.48x = 283,322,356.99
  5. Step 5: Solve for x
    x = 283,322,356.99/16,358.48
  6. Step 6: Final answer
    x = 17,319.60

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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.