Home / 14,152.58-19,530.52-7,866.18

Finding the Fourth Proportional to 14,152.58, 19,530.52 and 7,866.18

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Solution

The fourth proportional to 14,152.58, 19,530.52 and 7,866.18 is: 10,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.58 : 19,530.52 = 7,866.18 : x
  2. Step 2: Convert to fraction form
    14,152.58/19,530.52 = 7,866.18/x
  3. Step 3: Cross multiply
    14,152.58x = 19,530.52 × 7,866.18
  4. Step 4: Simplify right side
    14,152.58x = 153,630,585.81
  5. Step 5: Solve for x
    x = 153,630,585.81/14,152.58
  6. Step 6: Final answer
    x = 10,855.31

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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.