Home / 14,746.56-20,354.40-8,776.32

Finding the Fourth Proportional to 14,746.56, 20,354.40 and 8,776.32

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Solution

The fourth proportional to 14,746.56, 20,354.40 and 8,776.32 is: 12,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,746.56 : 20,354.40 = 8,776.32 : x
  2. Step 2: Convert to fraction form
    14,746.56/20,354.40 = 8,776.32/x
  3. Step 3: Cross multiply
    14,746.56x = 20,354.40 × 8,776.32
  4. Step 4: Simplify right side
    14,746.56x = 178,636,727.81
  5. Step 5: Solve for x
    x = 178,636,727.81/14,746.56
  6. Step 6: Final answer
    x = 12,113.79

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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.