Home / 13,875.66-19,148.22-7,588.08

Finding the Fourth Proportional to 13,875.66, 19,148.22 and 7,588.08

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Solution

The fourth proportional to 13,875.66, 19,148.22 and 7,588.08 is: 10,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.66 : 19,148.22 = 7,588.08 : x
  2. Step 2: Convert to fraction form
    13,875.66/19,148.22 = 7,588.08/x
  3. Step 3: Cross multiply
    13,875.66x = 19,148.22 × 7,588.08
  4. Step 4: Simplify right side
    13,875.66x = 145,298,225.22
  5. Step 5: Solve for x
    x = 145,298,225.22/13,875.66
  6. Step 6: Final answer
    x = 10,471.45

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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.