Home / 14,973.08-20,663.76-8,258.68

Finding the Fourth Proportional to 14,973.08, 20,663.76 and 8,258.68

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Solution

The fourth proportional to 14,973.08, 20,663.76 and 8,258.68 is: 11,397.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,973.08 : 20,663.76 = 8,258.68 : x
  2. Step 2: Convert to fraction form
    14,973.08/20,663.76 = 8,258.68/x
  3. Step 3: Cross multiply
    14,973.08x = 20,663.76 × 8,258.68
  4. Step 4: Simplify right side
    14,973.08x = 170,655,381.44
  5. Step 5: Solve for x
    x = 170,655,381.44/14,973.08
  6. Step 6: Final answer
    x = 11,397.48

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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.