Home / 22,085.71-30,477.40-12,652.45

Finding the Fourth Proportional to 22,085.71, 30,477.40 and 12,652.45

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Solution

The fourth proportional to 22,085.71, 30,477.40 and 12,652.45 is: 17,459.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,085.71 : 30,477.40 = 12,652.45 : x
  2. Step 2: Convert to fraction form
    22,085.71/30,477.40 = 12,652.45/x
  3. Step 3: Cross multiply
    22,085.71x = 30,477.40 × 12,652.45
  4. Step 4: Simplify right side
    22,085.71x = 385,613,779.63
  5. Step 5: Solve for x
    x = 385,613,779.63/22,085.71
  6. Step 6: Final answer
    x = 17,459.88

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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.