Home / 25,070.38-37,602.36-11,931.10

Finding the Fourth Proportional to 25,070.38, 37,602.36 and 11,931.10

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Solution

The fourth proportional to 25,070.38, 37,602.36 and 11,931.10 is: 17,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,070.38 : 37,602.36 = 11,931.10 : x
  2. Step 2: Convert to fraction form
    25,070.38/37,602.36 = 11,931.10/x
  3. Step 3: Cross multiply
    25,070.38x = 37,602.36 × 11,931.10
  4. Step 4: Simplify right side
    25,070.38x = 448,637,517.40
  5. Step 5: Solve for x
    x = 448,637,517.40/25,070.38
  6. Step 6: Final answer
    x = 17,895.12

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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.