Home / 14,655.30-21,988.06-10,656.42

Finding the Fourth Proportional to 14,655.30, 21,988.06 and 10,656.42

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Solution

The fourth proportional to 14,655.30, 21,988.06 and 10,656.42 is: 15,988.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655.30 : 21,988.06 = 10,656.42 : x
  2. Step 2: Convert to fraction form
    14,655.30/21,988.06 = 10,656.42/x
  3. Step 3: Cross multiply
    14,655.30x = 21,988.06 × 10,656.42
  4. Step 4: Simplify right side
    14,655.30x = 234,314,002.35
  5. Step 5: Solve for x
    x = 234,314,002.35/14,655.30
  6. Step 6: Final answer
    x = 15,988.35

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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.