Home / 14,870.91-22,302.35-6,440.32

Finding the Fourth Proportional to 14,870.91, 22,302.35 and 6,440.32

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Solution

The fourth proportional to 14,870.91, 22,302.35 and 6,440.32 is: 9,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.91 : 22,302.35 = 6,440.32 : x
  2. Step 2: Convert to fraction form
    14,870.91/22,302.35 = 6,440.32/x
  3. Step 3: Cross multiply
    14,870.91x = 22,302.35 × 6,440.32
  4. Step 4: Simplify right side
    14,870.91x = 143,634,270.75
  5. Step 5: Solve for x
    x = 143,634,270.75/14,870.91
  6. Step 6: Final answer
    x = 9,658.74

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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.