Home / 15,718.08-23,582.88-9,477.12

Finding the Fourth Proportional to 15,718.08, 23,582.88 and 9,477.12

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Solution

The fourth proportional to 15,718.08, 23,582.88 and 9,477.12 is: 14,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718.08 : 23,582.88 = 9,477.12 : x
  2. Step 2: Convert to fraction form
    15,718.08/23,582.88 = 9,477.12/x
  3. Step 3: Cross multiply
    15,718.08x = 23,582.88 × 9,477.12
  4. Step 4: Simplify right side
    15,718.08x = 223,497,783.71
  5. Step 5: Solve for x
    x = 223,497,783.71/15,718.08
  6. Step 6: Final answer
    x = 14,219.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.