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Finding the Fourth Proportional to 18,875.01, 26,039.57 and 12,503.01

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Solution

The fourth proportional to 18,875.01, 26,039.57 and 12,503.01 is: 17,248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.01 : 26,039.57 = 12,503.01 : x
  2. Step 2: Convert to fraction form
    18,875.01/26,039.57 = 12,503.01/x
  3. Step 3: Cross multiply
    18,875.01x = 26,039.57 × 12,503.01
  4. Step 4: Simplify right side
    18,875.01x = 325,572,941.59
  5. Step 5: Solve for x
    x = 325,572,941.59/18,875.01
  6. Step 6: Final answer
    x = 17,248.89

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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.