Home / 14,876.16-20,528.50-8,904.32

Finding the Fourth Proportional to 14,876.16, 20,528.50 and 8,904.32

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Solution

The fourth proportional to 14,876.16, 20,528.50 and 8,904.32 is: 12,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.16 : 20,528.50 = 8,904.32 : x
  2. Step 2: Convert to fraction form
    14,876.16/20,528.50 = 8,904.32/x
  3. Step 3: Cross multiply
    14,876.16x = 20,528.50 × 8,904.32
  4. Step 4: Simplify right side
    14,876.16x = 182,792,333.12
  5. Step 5: Solve for x
    x = 182,792,333.12/14,876.16
  6. Step 6: Final answer
    x = 12,287.60

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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.