Home / 14,421.43-21,643.08-9,730.32

Finding the Fourth Proportional to 14,421.43, 21,643.08 and 9,730.32

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Solution

The fourth proportional to 14,421.43, 21,643.08 and 9,730.32 is: 14,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.43 : 21,643.08 = 9,730.32 : x
  2. Step 2: Convert to fraction form
    14,421.43/21,643.08 = 9,730.32/x
  3. Step 3: Cross multiply
    14,421.43x = 21,643.08 × 9,730.32
  4. Step 4: Simplify right side
    14,421.43x = 210,594,094.19
  5. Step 5: Solve for x
    x = 210,594,094.19/14,421.43
  6. Step 6: Final answer
    x = 14,602.86

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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.