Home / 14,749.95-20,355.15-8,376.06

Finding the Fourth Proportional to 14,749.95, 20,355.15 and 8,376.06

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Solution

The fourth proportional to 14,749.95, 20,355.15 and 8,376.06 is: 11,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,749.95 : 20,355.15 = 8,376.06 : x
  2. Step 2: Convert to fraction form
    14,749.95/20,355.15 = 8,376.06/x
  3. Step 3: Cross multiply
    14,749.95x = 20,355.15 × 8,376.06
  4. Step 4: Simplify right side
    14,749.95x = 170,495,903.84
  5. Step 5: Solve for x
    x = 170,495,903.84/14,749.95
  6. Step 6: Final answer
    x = 11,559.08

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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.