Home / 14,746.42-20,350.65-8,460.01

Finding the Fourth Proportional to 14,746.42, 20,350.65 and 8,460.01

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Solution

The fourth proportional to 14,746.42, 20,350.65 and 8,460.01 is: 11,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,746.42 : 20,350.65 = 8,460.01 : x
  2. Step 2: Convert to fraction form
    14,746.42/20,350.65 = 8,460.01/x
  3. Step 3: Cross multiply
    14,746.42x = 20,350.65 × 8,460.01
  4. Step 4: Simplify right side
    14,746.42x = 172,166,702.51
  5. Step 5: Solve for x
    x = 172,166,702.51/14,746.42
  6. Step 6: Final answer
    x = 11,675.15

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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.