Home / 14,244.48-19,656.72-8,276.40

Finding the Fourth Proportional to 14,244.48, 19,656.72 and 8,276.40

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Solution

The fourth proportional to 14,244.48, 19,656.72 and 8,276.40 is: 11,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244.48 : 19,656.72 = 8,276.40 : x
  2. Step 2: Convert to fraction form
    14,244.48/19,656.72 = 8,276.40/x
  3. Step 3: Cross multiply
    14,244.48x = 19,656.72 × 8,276.40
  4. Step 4: Simplify right side
    14,244.48x = 162,686,877.41
  5. Step 5: Solve for x
    x = 162,686,877.41/14,244.48
  6. Step 6: Final answer
    x = 11,421.05

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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.