Home / 19,513,656-26,913,681.60-13,323,681.60

Finding the Fourth Proportional to 19,513,656, 26,913,681.60 and 13,323,681.60

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Solution

The fourth proportional to 19,513,656, 26,913,681.60 and 13,323,681.60 is: 18,376,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513,656 : 26,913,681.60 = 13,323,681.60 : x
  2. Step 2: Convert to fraction form
    19,513,656/26,913,681.60 = 13,323,681.60/x
  3. Step 3: Cross multiply
    19,513,656x = 26,913,681.60 × 13,323,681.60
  4. Step 4: Simplify right side
    19,513,656x = 358,589,324,322,178.56
  5. Step 5: Solve for x
    x = 358,589,324,322,178.56/19,513,656
  6. Step 6: Final answer
    x = 18,376,327.04

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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.