Home / 14,071.84-19,420.50-9,357.64

Finding the Fourth Proportional to 14,071.84, 19,420.50 and 9,357.64

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Solution

The fourth proportional to 14,071.84, 19,420.50 and 9,357.64 is: 12,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.84 : 19,420.50 = 9,357.64 : x
  2. Step 2: Convert to fraction form
    14,071.84/19,420.50 = 9,357.64/x
  3. Step 3: Cross multiply
    14,071.84x = 19,420.50 × 9,357.64
  4. Step 4: Simplify right side
    14,071.84x = 181,730,047.62
  5. Step 5: Solve for x
    x = 181,730,047.62/14,071.84
  6. Step 6: Final answer
    x = 12,914.45

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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.