Home / 14,158.08-19,536.44-7,783.62

Finding the Fourth Proportional to 14,158.08, 19,536.44 and 7,783.62

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Solution

The fourth proportional to 14,158.08, 19,536.44 and 7,783.62 is: 10,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.08 : 19,536.44 = 7,783.62 : x
  2. Step 2: Convert to fraction form
    14,158.08/19,536.44 = 7,783.62/x
  3. Step 3: Cross multiply
    14,158.08x = 19,536.44 × 7,783.62
  4. Step 4: Simplify right side
    14,158.08x = 152,064,225.11
  5. Step 5: Solve for x
    x = 152,064,225.11/14,158.08
  6. Step 6: Final answer
    x = 10,740.46

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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.