Home / 16,530.61-22,809.03-9,818.35

Finding the Fourth Proportional to 16,530.61, 22,809.03 and 9,818.35

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Solution

The fourth proportional to 16,530.61, 22,809.03 and 9,818.35 is: 13,547.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,530.61 : 22,809.03 = 9,818.35 : x
  2. Step 2: Convert to fraction form
    16,530.61/22,809.03 = 9,818.35/x
  3. Step 3: Cross multiply
    16,530.61x = 22,809.03 × 9,818.35
  4. Step 4: Simplify right side
    16,530.61x = 223,947,039.70
  5. Step 5: Solve for x
    x = 223,947,039.70/16,530.61
  6. Step 6: Final answer
    x = 13,547.42

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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.